Honestly, I'm a patron, I've been a fan of this game since the start, I know all about kaffekop's health problems, and frankly, I hate these instinctive white-knight reactions people have when it comes to games and devs they like.
I like kaffekop, his game is great, he seems like a genuinely funny and nice person, and it sucks that he has so many health issues.
Sometimes I read a new update on the patreon and am just glad he is still alive, and that is not a joke.
But if you overreact to humour and/or any attempt at criticism, that is not automatically helping the game or the dev.
All it does is create an atmosphere where people coming new into the thread or to the game and dare to be anything but completely supportive or positive, feel unwelcome, and that will probably also impact how they think and feel about the game and the dev.
There is such a thing as gallows humour or black humour, and you might like it or not, but it is still just humour. It might be an attempt to make a sombre topic less serious, it might just be the weird sense of humour someone has, it shouldn't be a reason to flip out over it.