They are still using your oldest data against you!

Um. Why would I not understand that? Do you think that I thought they just reset everyone every season?

If you don’t play the game a lot, how do you expect the system to properly rank you? What exactly is a magical “good design?” If they can’t use your data from playing the game?

Um. I’ve had many seasons with negative win loss ratios and gained rank. So…you’re wrong. By the way, just saying, “it’s false” doesn’t make it false.

Or it’s the fact that despite losing most games, I’ve literally witnessed an increase in rank over multiple seasons, purely due to outplaying my opponents and teammates.

I was below my historical rank, yes. Just like every single person in OW2. That is what they do, they rank you lower. I have told you this.

Since you seem to be having a very hard time understanding their system, I suggest you read their latest developer post about matchmaking. It (kind of) explains how it works. At least, it might help you to get a better idea of what is going on.

Overwatch 2 developer blog: Matchmaker and competitive deep dive, part 1 - General Discussion - Overwatch Forums (blizzard.com)