As someone who barely survived attempted suicide 10 years ago, I completely disagree.

Your past doesn't qualify you more than other people to talk about suicide. We can play the "who's had more experience" game to prove my point but I'm just going to leave it at if someone made fun of my brother's suicide with "he committed sudoku (laughing crying emoji)" then I would be pretty sad. And that I misread OP anyway

I had no intention to portray myself as more qualified to talk about it. I should have made myself more clear, I'm sorry about that. I was offering my point of view on it. It's of course completely subjective, so your perspective is no less valid than mine. I should have been more explicit about that.

And the example you cited wouldn't be okay with me at all. I was thinking more about suicide related humour in general, I guess.

To me personally it's always been important to be open about it and to have some irony to get past the shame I had to work through.

I get why you feel that way, having lost your brother. Just last month my brother died at 39 from complication after a long life of drug addiction. If someone tried to joke about him I would probably lose it and just start shouting at them.

Welcome to the Internet.