Was about to upvote but hufpo is crap.
Anyway I'm slightly ambidextrous myself. I only write with my right hand, which probably looks like how you wright with your right hand but it's still better than my left. Although for shooting pool I've always shot left handed (left arm on the back, right arm on the front.) Admittedly that was partly by mistake because I probably thought it was just a gigantic pencil but doing it the other way just feels weird now. I've also always pissed with my left hand, although that might be a bit TMI. Not sure if it was learned behavior or instinct.
I shoot left handed though because I'm left eye dominant. I'll switch it up and shoot with either though but I prefer the left eye, even if this is a thing:
I personally know two other people who shoot left handed as well. One of them started a business called South Paw Draw for that reason. I like that the Glock Gen 4 has the ability to switch the mag release to the right side. They probably make slides that will eject to the left as well, but I haven't seen them. Anyway that's partly the reason for the safety glasses (other than the possibility of a round hitting another round and blowing up in what is or was your hand.)