Don’t worry about it, the angry edit was meant to be humorous- in general I agree that it’s a mistake to let downvotes upset you.
(And because I’m the admin of my own instance, the votes are made visible through the UI. So if I wanted to be a vindictive weirdo about it, I could… 😉)
I have never contributed to an open source project before, so if we exclude the third part this is the reverse of my habits. The stuff I do for work is bare minimum garbage, I freely admit. I really do not like my employer.