I don't think a smaller number of dumb startups will have much negative impact, considering the huge numbers of highly paid employees the giant "fang companies" have.
What fake money faucet? The big tech companies have tons of paying customers, and tons of net income increasing at tremendous rates with tremendous moats.
Huge portions of advertisements are being shown to bots without detection. I'd guess google's ad sales are 25% overblown given my analysis of it's bot detection products.