I agree with the point and didn't realise it until I read this post. Whenever I see a funny image or comic in a technical post it always feels a bit like it doesn't quite belong there, like someone had a quota for humour. It feels a bit like the author isn't confident with their message and acted like a conference speaker throwing in a bad joke for some easy laughs.

It also breaks the flow. Reading from long form text and then skipping to image and parsing the text breaks the mental flow, for me at least, and there never seems to be a clean place to do it.