Isn’t the last version already that…well…last version?

If anything they could just leverage their work with proton that allows steam to play windows games on Linux to provide similar compatibility shims for old windows on modern windows

the content being scraped is from users, they do not control what bots are added to servers.

It’s much more like the Cambridge Analytics scandal in that users posted content that was shared with friends but not explicitly shared publicly, but those friends then granted a third party access to all of the data.