What do you mean by this? You can have non-workshop addons in addition to the workshop addons, and they'll work provided they're designed properly
Yes there are outdated Gmod addons, but the same goes for Blockland, you can find and possibly use old versions for both games
I think it shut down unintentionally and Garry just never brought it back, but someone from the community made their own version called garrysmods.org and Garry then made garrysmod.org official by making any links from the old site link to garrysmods.org
What else would an add-on have besides DTS, PNG, JPEG, CS, GUI, ATMOSPHERE, GROUND, WATER, OGG, WAV, MP3, TXT, DML, or SUNFLARE? Add-ons that use JSONs for the auto-updater or Blockland Glass to stay up-to-date would be redundant, but they would be useful whenever the Steam servers go down and there's an add-on that needs to be updated
I think unsubscribing or having an addon deleted will only remove it from your account's cloud storage so that it will never download again, but you'll still have the actual file
That's how it works for Garry's Mod at least, but it is possible to have a mechanic built into the game that auto-deletes removed or deleted addons, but instead, Garry's Mod just has a console command you can enter to clean up removed addons, so i think it is possible to keep the actual file and it could still work, but it just won't re-download or update
What I mean by that is the addon community for Gmod decided to make up its choice and go full workshop, so many addons that are on garrysmods.org are out of date or a simply a redirect to the workshop, like I said the only way to get an addon that stays regardless of what happens is to go on facepunch and download addons from there.
Garrysmod is different from Blockland here, addons being up to date are very important in gmod because many older gmod v9 or v10 use specific lua functions that have been either removed or replaced with another, so the you end up causing errors if you try to use them, the exceptions here are probably models since those don't really require any coding.
Second thing, you are right one one part, Garrysmod.org was shut down in favor of the community created Garrysmods.org, Garrysmods.org however is not completely based in addons, or modification but offers other things such as servers (it even says on the front page), that doesn't mean however that majority of the addons submitted are simply a workshop redirect.
Third, you never know, the way we have it right now we have it more open, but we may one day get to the point where we can make much more robust addons that even though its risky to inject and modify source code, if addons do get to the point where they can inject and modify code to make amazing things, we would not be able to do that through the workshop.
And for the last thing, thats what I mean, the problem with workshop right now, cloud stuff this and that, and the fact people have the ability to file DMCA complaints, if the Workshop just let you download addons normally (And by that I mean get rid of the stuffty subscription based thing) and keep them even after the Content Creator removes their content or deletes their content the I would like the workshop.
But the fact that the Steam Service can delete a file from your addon directory and make that addon inaccessible is absurd, I like to have full control over my addons, I don't want to have a fovorite addon or a cruzial addon get removed just because some asshat says "Your code is similar to mine so take it down or get banned, hurr durr"
Do we really want to deal with stuff like DMCA Trolls aside from all the other crap that will be brought over?
If Blockland is going to use the workshop, then it should be used for something much more simpler that can expland on the basis of Blockland without fragmenting the addon community.
I have even said it before, if the workshop is used, it should be used to publish and share builds, because we currently do not have a easy way to do that thing at all, the closes we have is the gallery but people don't share their .blb's there often, not even Blockland Glass has a section for saves, so Saves for Workshop would be better than nothing, and if you really do want addons than they can just put a redirect somewhere on the workshop page to the forum's addon section (aka a hotlink to the section of the forums that has addon content).
Anyways, I do not plan on changing your mind, but these should be some very serious things to consider.
(To people who are not masterlegodude)
tldr; Instead of using the workshop for addons we should use it for saves since we don't have a service for that yet.