> The idea that they could be trained on private/restricted/copyrighted data and that was ok because there wouldn't be redistributing that data should have been killed 3 years ago.

I know, it's kind of mind-boggling. It's not old enough to be a history problem [0], and it's hardly a secret, so I have to assume it's a state of denial.

In other words,there are groups of developers and executives (and investor-money) all motivated to a desperately shut their eyes and pray that Bad Thing simply won't happen to their product, at least not before someone else invents a revolutionary Silver Bullet that makes it go away.

[0] "Those who cannot remember the past are condemned to repeat it" -- George Santanya