So fundamentally, "everyone else" is scammed. Unless the class A scammers get so, so rich that everyone else gets rich as well. In which case it's still a scam, but the "everyone else" are happy anyway.
Why is that a scam? Nobody ever promises you any specific valuation or fraction of the company. When I joined a company relatively late but well before IPO, some funny number of shares at 12 cents or whatever each did not even enter my calculation any more than "oh and they also give me a free lottery ticket". In my case depending on when one sold after IPO they would have been in the range centered around about compensating for the salary differential I think, but nobody promises you they'd ever be worth more than Monopoly money
Why is that a scam? Nobody ever promises you any specific valuation or fraction of the company. When I joined a company relatively late but well before IPO, some funny number of shares at 12 cents or whatever each did not even enter my calculation any more than "oh and they also give me a free lottery ticket". In my case depending on when one sold after IPO they would have been in the range centered around about compensating for the salary differential I think, but nobody promises you they'd ever be worth more than Monopoly money