One of those things that personal attention is required for is helping people find a task that they can do. Having a list of tasks available that someone can read through makes half the journey so much easier.
Often I will leave low-impact work undone, so that someone new can attend to it.
The feeling of "I actually did something" is so important for new contibutors.
No, these companies are massively scaled now. The only way you could sell domain names is to run a web-host and then sell domain names combined with other services.
You could pretty easily get a job with an existing registrar though.
Don't wear a mask.
Social change is about many caring people coming together to support a worthy cause.
Solidarity and visibility are key.
The women's rights movement was not organized by cryptographers. Social change does not come from the shadows.
Spend your time on simple basic things that support solidarity.
Discord, web-pages, Whats App... use it all!
Model you tactics on successful campaigns and people. What does the ACLU use? How about Amnesty International?
When they are old enough, around four, get them on to Linux!