Earlier quoted context omitted.
This is a structural problem with our economy, much larger than just Facebook. Due its large scale concentration, the allocation of capital in the economy as a whole has become far less efficient over the last 20 years.
But always remember, it's not technically a monopoly! Boy am I tired of that one. We desperately need more smaller companies and actual competition but nobody seems to even be trying
The point of VC, specifically, is to grow software monopolies - but it's very easy to pick up VC funding if you happen to live in the Bay Area.