The point of a feed is to literally show what you want.
So the algorithm behind the feed is to blame when you get bad suggestions. Btw: showing only perfect matches makes people spend less time on the app and therefore they mix in bad suggestions deliberately. Blame the profit motive.
If someone wants to fake their age, gender, or wealth for a chance of sliding into someone else’s DMs, just to get caught and retaliate by projecting it back on them as the bad person, then that person is a literal psychopath and I hope it doesn’t escalate.