The "fun" and "lighthearted" pictures are pointless and actively harmful. If you're going to show me ads, show me ads. But if you're not, don't. I'm willing to pay the price of being annoyed by advertising. The "instead of an ad" pictures generate no revenue for Reddit and they constantly waste my time and attention. They are purely a negative thing.

That's the most articulate way I can put my argument. If you still misunderstand, there's not much more that I can say.

Maybe some people actually enjoy the "instead of an ad" pictures. I absolutely hate them.