Gripes with comp matches

So I’ve played two comp matches tonight and it pissed me off both times because in both games we had people disconnect. So one game was a 5V6 and one game was a 4V6 and I genuinely think that if you have someone disconnect in a competitive match. It should not be held against you because it’s just absolute BS. We lost one of our healers and every single time I’m out here trying to solo tank because no one else wants to play tank. And I can’t front line by myself when I have the whole opposing team looking at me regardless of how much healing I get. It just pisses me off that in competitive matches where you’re supposed to try to play together that you still have idiots who cannot fill out a team composition correctly. Maybe I’m overreacting, but this genuinely kind of makes me not wanna play competitive anymore although I really want to.