They've never sued anyone for playing an emulated game. They have (most likely wrongly) threatened emulator developers over circumventing copyright and encryption. I don't like it anymore than anybody else, but are we actually mad at a company for preserving their games? You can hate them for what they are doing to others while still being ok with their own emulation

I'm not saying they haven't used others work in the past, but they do have their own emulators and ROMs. They have for a long time. They are still terrible, but this just doesn't seem like a big deal to me

Edit: Also, whose lives have they ruined aside from those profiting off of distributing copyrighted material? Taking down a fan game doesn't sound life ruining

Yup. There are some extensions and/or scripts that should help a bit, but you are always your best anti-virus. I only go if I absolutely have to, but occasionally it is the only place to find older shows and things