if the beachhead consists of people doing something lots more people will be doing in the future, then it's probably big enough no matter how small it is.

The component of entrepreneurship that really matters is domain expertise. The way to become Larry Page was to become an expert on search. And the way to become an expert on search was to be driven by genuine curiosity, not some ulterior motive.

If you don’t know you are doing, start with the simplest configuration, which is only setting workers to (2*CPU)+1 and don’t worry about threads.