No, it would be a net negative on the pug community for mythic+. Pve content is entirely different than PVP content. Carries would still be a thing.
Groups would become even more toxic than they all ready are. It would further reinforce bringing meta only classes. Pug life is what keeps this game rolling. I don’t know why people dont’ see that.
If you want to prove how good you are at mythic+ clear higher key levels. It’s the perfect solution to demonstrating you skill.