I think it's important to keep in mind "signal bias" -- I'm never on other social media, and I'm only on HN every weekday over my breakfast and morning coffee. I don't spend time building my brand or writing blog posts or shouting from the rooftops about how great my life is because I'm trying hard to stay busy actually enjoying how great my life is. In my experience, there really are a lot of folks who've made similar decisions, it's just that part of managing your life is also giving up on trying to convince strangers that you're awesome.