I'm a boomer; that may well be a fair point
I do think Facebook has something really valuable over in person interaction: you can observe how a potential SO interacts with a wide variety of other people
Also, I like that it's async. But that's more of a personal preference
Maybe for boomers and some emerging markets. It appears to be losing popularity very fast among younger folks in most Western countries. Not that alternatives are much better IMO, Twitter in particular is even worse.
Nothing beats going out and talking to real people. It gives you a competitive advantage over the masses that are too lazy to socialize in real world.