Just because there are a few decent live service games doesn't change the fact that the model is predatory, just like a few good mobile games existing doesn't change the fact that mobile gaming is a cesspool of predatory games.
I will always prefer games without MTX to games with them. For every good F2P game (i.e. games that respect the player's time, aren't pay-to-win, etc), I can point to several popular, predatory games. The ratio for popular paid games is much better.
So a handful of decent games doesn't mean the model isn't terrible, it just means there are some exceptions. And I'm absolutely willing to make exceptions to my rules.