I think Rocket Leagues SBMM system works much better gradually moving you in better or worse lobbies
Rocket League has some advantages as far as matchmaking.
- Smaller teams, 1v1, 2v2, 3v3 being the competitive modes means that your 'skill' contribution is relatively larger and easier to solve for
- People are almost always playing the 'objective', no weird metagames where you're trying to unlock gold camos for every gun leaving you playing with a trash-tier weapon and thus performing worse than normal
- Far greater depth in the game in terms of mechanics and tactics.
- COD lobby always boils down to I WENT 12-4 AND YOU WENT 8-12 YOU FUCKING SUCK. Not always, but generally Rocket League players have a concept that you can contribute to plays without scoring goals, and that good defense helps win games.
Only thing working against Rocket League matchmaking really is free-to-play meaning there's a never-ending stream of higher skill players smurfing through the ranks and clipping on Diamonds.
Let's just fix this by splitting the base in anyone under 2KD plays together. and above in different lobbies. If you play with friends above 2K and your 1.1 you are chasing ti play in higher lobbies and that's it. This keeps casuals in games they can play and enjoy some wins and the sweats in their own lobbies trying to rank up. You can't tell me that would be bad because they already split the player base based on game modes.
Segregating 2+ k/d players into their own lobbies just instantly brings them back under 2 k/d.
Then what's the objective for the game? I play modes to win I will never be that 3.0 KD guy but at least objectively I do very well and get my points. However many people play objective modes with zero intentions of playing the mode but to camp and get K/D. I honestly wish they removed it as it proves nothing to me.
You're playing to win in lobbies where most of the time most of the players aren't really playing to win. Some won't play to win at all. Others will notice they're losing halfway through and engage try-hard mode.
In COD, Search & Destroy was usually semi-competitive. Though actually getting bomb plants down wasn't that common and it usually ends up being more of a round based TDM mode.
They've done various competitive modes over the years, though I'm not sure what they've done lately. I thought Black Ops 2 competitive was pretty good, but not that well populated. The MW reboot had the 2v2 Gunfight mode which I really enjoyed, but Cold War pretty much ruined the concept, don't know where it went from there.
For my part I moved on to Rainbow 6: Siege for my competitive FPS fix. Just better designed for people to try to win, and far more depth to the gameplay. Granted it can be even dare-I-say
more toxic than COD at times. But there's a sense of progression to learning and improving at the game that doesn't really exist in COD.