If I stand in the middle of the woods and curse, nothing happens. It's only bad in context. Even just outside the US, cursing is not that bad, it's really something we made the f**k up and insist on enforcing.
It's hurtful in some situations, but you can use non-curse words to hurt people.
I should address slurs, which are specifically crafted to hurt certain groups of people, but the people who use them unironically are really just losers so we shouldn't care about those people.
So no, it's not objectively false, it's an opinion that I have legitimate reasons to believe.