By the way, it will also brake some proprietary games, that distributes via steam, humble, gog and so on.
Some of them depends on shared lua and doesn't bundle it (instead, their installer calls apt (since they're doing games for ubuntu), but since we have no apt, we (gamerlay/games team) just writing proper DEPENDs, unpacking the content, and installing it. So, if shared lua will be dropped, we will either have a bunch of broken games or used to create some kludgy "lua-shared" custom ebuild, which is worse way of doing the things. So, I'm voting for status quo.