50% of my passive anger comes from shitty matchmaking algorithms in online games.

More like 75%

If you rely on someone, you will be disappointed and eventually angry, when they let you down. Instead you should not trust them and only expect the worst. Doing that, they can only positively surprise you.

[Insert terrible pun about dating sites here]

Play Starcraft 2.
The matchmaking there seems to be perfect - at least when watching WinterStarcraft Angry Coach on Youtube...

Pretty sure they are well made except they don't aim at fairness, they aim at keeping you playing by thinking: "this game went bad cause I was matched poorly, but I am strong and the next game I will win cause the algorithm will match me fairly."

For instance if you are talking about a moba, how comes people get banned for trolling but they don't reimburse your points? (Be it elo on dota or lp on lol) pretty sure it would be fair and programmatically easy to do :)

@iiii
I have no idea. I've never had a problem meeting people.

@iiii not really... You will get them over time, which means that not only you wasted time, but that you are punished for someone else's behavior, making the process way more frustrating that it needs to be.

If you play a chess match and the other guy throws the chessboard away you don't lose points because "you will get them back eventually", you are fully prevented the loss.
(Took chess as an example cause of the elo system being built upon chess's elo system)

@iiii yes, comparison with mobas are hard because of the constant-change-team nature they have, my bad, the point of loss of time and non-accountability for other people's trolling stays.

If you're unaware, most games use ELO scoring, which is theoretically okay but in practice ends up getting completely out of whack for a variety of reasons.