Two important things:
1. If you disagree with someone online you don’t HAVE to tell them. If you must disagree then at least do so with respect and curiosity for the other’s opinion, and give a reason.
2. I’m sick of seeing the abuse that minorities in tech get. Just stop it. I’m in a dev team with 2 women of colour. They are two of the best engineers I’ve ever worked with in a long web dev career. Anyone can be an excellent software developer. And kindness should be default to everyone.