That makes it sound like us old members are even less important than we are now. 
Oh no old people are being marginalized and everything is ruined why do we live in a world of poop.
Seriously, come on - obviously the community is made up of long time players and we value you a lot and listen to what you say and want to keep you. But we are not going to make every decision just to cater to people who have used blockland since launch. That is a good way to end up with zero new people playing the game and a decreasing number of "old school" players. Pretty soon no one is playing the game at all.
Instead it is better to make sure you encourage new people and make it easy for them. At the same time you make sure you keep more experienced players able to write mods, run custom servers, and so on. And you absolutely can do that with this system.
And because updates are easy, it means that if Badspot has a small feature he wants to add, or a bug fix he wants to do, he can do it in a few days instead of having to do a major release. So everyone gets more and better Blockland all the time.
If you don't have 100mb free for Blockland maybe you should spend $11 on a new hard drive:
http://bit.ly/rlIBzTAlso, I was wrong, you do have to run the game from the launcher.