So your beef with round robin is that you can advance despite losing, yet the NFL season is a-okay? Even if it's not technically a round robin, the effect is the same...
There are a million sensible reasons to hate soccer. You seem like some kind of hater hipster who's desperately trying to stay ahead of the hater mainstream when it comes to reasons to hate.
Why do you think Round Robin tournaments are exclusive to soccer? They permeate all kinds of sports at amateur and international levels.