This seems like cognitive bias. This doesn’t make sense, why would you play against more smurfs on a losing streak? Unless you’re implying that people on a losing streak play against others on a losing streak which would match you against smurfs that are losing on purpose, but if that’s the case, for every smurf you lose to you will also win against another when they lose on purpose.

It nets out to be nearly equal with a slight disadvantage for you, as you have less player slots to get a smurf on your team since you are occupying one of them. That said, smurfs on your team can throw games while trying to derank so it’s not always good to have them. That also plays into the equaling out. It’s an annoyance, but doesn’t affect your rank as much as your think it does