Okay, so I have an add-on on my speedkart server that records people's levels by their BLID, crazy enough, I saw Badspot's BLID in it, 0.
I really don't have any other proof, it is just there...
Here is a pic...

So then, I dragged the file to my desktop and opened it:

It appears he never earned XP, lol
Do you guys have hints of him joining your server?
Maybe Badspot will tell us...