This will put pressure on studios that make E and T rated games with loot boxes (for example: Fifa). Now they have to decide between letting the game get bumped up to a M rating, losing initial sales of the game, or removing loot boxes and other gambling features.
I'm fine with content being vaulted to make room for new content. What I have an issue with is when the new content isn't even half of the quality of what they removed. I quit playing shortly after menagerie was removed for exactly that reason.
Had that happen to me with Last Epoch. At launch the native linux version had graphical issues where as proton ran the windows version almost perfectly.
It looks like SCP 1507 broke containment