According to him, developers "need to do this" when it comes to two types of DLC: support packs and digital soundtracks. The former are essentially "tips" for developers with simple bonuses like cosmetics, the latter is music from the game.
"It's completely useless cosmetics, but it's worth it," he says. At the same time, "I don't recommend DLC with add-ons, because players on Steam complain about it, but support packs and the soundtrack are great options."
The reason for the complaints is content that is ready and should have been in the base game. Separate soundtracks and donation packs are perceived differently.
One developer reported 2.59% purchases of support packs, which brought in $11,531 "for minimal effort."
Zukowski noted:
This is an $11,000 texture.
Another example is $60,980 from a digital soundtrack at 2.8%. Even with low conversion, such DLC remains profitable due to minimal costs.