Because there’s no reason for them to do it in the first place. I don’t know about other people, but I backup my stuff. I have a printables account, but only becuase there was something I found on Thangs that I wanted to download and had to signup for an account. The huberus that “his” beta platform is going to save the anyone is ludicris, as I’d just goto myminifactory or Thangs itself. There are also other platforms that I post on that are more or less occupational specific. I only post to Thingiverse because at the time it was the biggest game in town, and to a large extent it still is. I don’t know where he thinks it’s going, but I doubt it’s going to disappear anytime soon.
Simply put, it’s ok to take a penny from the penny tray because you need it; but not the whole tray and the register, and say you can have it back if you can prove it’s yours.