@kissane A possibility that no one seems to have considered is that this person is a troll, aka a low-level sociopath, who doesn't actually do what they pretend to do.
It's very hard to find a significant open source project which doesn't involve some people accepting money for spending their time to improve software for the common good.
For example, what language does the troll program in? Not C, C++, Python, JS, Ruby, ....