The combination of productised services, bootstrapping, and investing with returns pegged against founder earnings is likely to be the dominant mode of funding internet businesses of the 2020s.
Being a generalist is overhyped right now. Many young folks use 'generalist' as an excuse to not bother developing a strong specialisation or heck, getting hands dirty.
No one's going to hire you for being a well read intellectual. Start executing.
I know I'm mixing being a generalist with execution paralysis but that's what it largely ends up being.
Reading gives a cheap sense of accomplishment, quick dopamine hits. A good way of avoiding the pains of doing stuff, getting fucked and learning from those lessons.
Go do!
Most wannabe generalists gravitate towards entrepreneurship and product management because of how hard these things are to define.
There's comfort in not committing to anything in particular because then you can't be measured. Vagueness is attractive.