The games they release are complete in them selves, and with 15-20€ dlces every ~6 months they keep the games fresh with new content.
People rarely complain that features are missing from their games until it gets added in a DLC. Then suddenly it’s a mandatory feature.
Your last paragraph is just untrue. One of the biggest complaints is that they routinely lock stuff in a DLC that should be in the base game.
Hell, their first sentence fragment isn’t even always true lmao