Yes, as a lone developer. If you're working in a team it's less likely to work out well as you will have a much more significant training period for anyone to join one of your projects (in a team environment it's wise to go with "boring").
It's clear that the "author" is a +10x engineer.
It's rare to come across someone with such a broad range of interests and abilities, and their contributions to open-source software are truly remarkable.
Correct. This is also, incidentally, why startups innovate faster than established companies - people in the corporate world waste so much time on typing things like "To whom it may concern", or "Looking forward to hearing from you", or, you know, on written communication in general.