>The ecosystem around them is enormous; a million edge cases have already been handled; they're not going anywhere for a long time.

Sounds like everything that came before them, but they got a foothold somehow.

>Just say "risk" ten times if anyone suggests them, and your PM will end up agreeing with you.

Please don't overuse this, if you get in your groove then ten years down the line you'll end up being a naysayer to something the company actually should adopt.