Hackernews is (fairly) well designed for it's purpose, so I don't understand this comment. The example in the article is a party app.

You are aware that form can help with function, right?

HN's clean interface means you focus on the articles, and one would hope (though not in your case it seems) take it atleast a little seriously/professionally in how you interact.

A speed dating app like filteroff? It's more casual, you should be at ease, it shouldn't remind you of MS teams.