So explain the difference and why one is “solemn nonsense” and the other isn’t.
“Proselytism” is disrespectful of people’s intellects.
Recently, I encountered a thread which originated with an article making use of fake quotations of Popes, and other inaccurate statements about Catholicism.
When these were pointed out, the originator of the thread responded by saying that Catholics are sunk in heresy, were going to be damned, are deceived by Satan, etc., etc.
One might say that proselytism is saying: “Hello. I’m representing such-and-such a religion. Let me tell you about it, and explain to you why your religion is false.”
Mother Theresa spent fifty years in Calcutta. And she made converts—around the world. But she did it by living her life, with her sisters, adoring Jesus daily in the Blessed Sacrament. And bringing the mercy of God to people who had absolutely nothing.