I would go with yes.
When the topic is cheating. people will go all "oh, that's so bad" and then go to another topic. They don't actually care unless it's them who is cheated on. Society tries to find a million excuses for cheating. Moment of weakness, he/she didn't want sex and she/he needs to get it, that's just how he/she is, etc.
Cheating is considered something bad, but people won't really shun you or look down on you unless you cheated on them. Cheated on your GF? Doesn't matter, your friends will comment a bit and that's it. Neighbors will gossip a bit and that's it.
But polyamory is really looked down on. Even the idea of having two love interests, to partners is shunned. People don't look at you and see an asshole. They look at you and see a deviant. Someone really immoral. A lot of people consider polyamory to be even worse than cheating. Your "friends" look at you as deviant. Your neighbor look at you as a deviant. Everyone does.
When the topic is cheating. people will go all "oh, that's so bad" and then go to another topic. They don't actually care unless it's them who is cheated on. Society tries to find a million excuses for cheating. Moment of weakness, he/she didn't want sex and she/he needs to get it, that's just how he/she is, etc.
Cheating is considered something bad, but people won't really shun you or look down on you unless you cheated on them. Cheated on your GF? Doesn't matter, your friends will comment a bit and that's it. Neighbors will gossip a bit and that's it.
But polyamory is really looked down on. Even the idea of having two love interests, to partners is shunned. People don't look at you and see an asshole. They look at you and see a deviant. Someone really immoral. A lot of people consider polyamory to be even worse than cheating. Your "friends" look at you as deviant. Your neighbor look at you as a deviant. Everyone does.