Honestly it's an easy trap to fall into if you enter the space without prior knowledge and taking everyone at their word. I almost fell into it years back when gamergate was just getting rolling. I don't think anyone can reasonably deny that nepotism, preferential treatment, and paid shills are a major part of modern game marketing. But they'll get an initial hook in based on that idea and then slow-boil you on the idea that diversity and inclusion are also part of the problem. Soon that becomes the focus and people find themselves arguing that Aloy having visible peach fuzz if you zoom the camera a quarter inch from her face in photo mode is evidence that they're trying to erase "real women" from games.
It's crazy.
Street Fighter 6 uses two systems. League Points are a "keep them playing" type, and Master Rate is pretty much pure Elo.
Everyone starts with LP only and initial placement matches put you into a league with progressively fewer guard rails as you live higher. Rookie league can't lose LP at all, there's a win streak bonus up to gold, and you can't demote to a lower league until platinum. Throughout it all there's very slight upward pressure on LP, you get slightly more more a win then you lose for a loss.
Finally you reach the topmost league, Master, the final guard rails fall away and you're given 1500MR to join in the net zero Elo ranking pool. You basically need to demonstrate that you have a willingness to keep playing before they will use that style of matchmaking. "Real" skill based ranking effectively begins there, with the lower ranks being made more to show dedication rather than just ability.