Only time i one-and-doning is when i have to go to work and didn't cancel the queue , cuz every match is important, everyone had is own way to play, si it's always important to do the full ft2
I recently changed my mindset about one and done-ing low mr players. I decided to treat every game like a tournament set. And you don't know their mr. The ranked grind is slower this way, but it forces me to adapt to all types of playstyles. I feel more confident now.