After reddit started banning people for upvoting the wrong things, this is a logical next step. Contrary to the popular belief, slippery slope isn't a logical fallacy.
Anonymity is the only way to combat this. Make sure your online identity isn't connected to your real name. Ideally, you should have separate identities for each website. Using Tor or a VPN is also a good idea.
>There’s no part of me that finds it easy to believe that a female, minority worker in tech is going to get the same opportunities as a white male anywhere in Europe.
I agree, she's a woman, she will definitely get much more opportunities than a man. The potential employers will bend over backwards to fill their diversity quotas.
If we're talking about native (i.e. not using Cygwin or MSYS) shells, I believe Hamilton C Shell is the closest thing: https://hamiltonlabs.com/Cshell.htm
It has some drawbacks, though, most notably lack of Unicode support.