This. Also, money doesn't grow on trees if you're a normal business. Rising wages means many businesses would have to close. It wouldn't matter to employees, because by corollary they'd have better opportunities, but if you were the owner of such a business, you'd be crying too.
Yes, but new markets have high network effects and winner-takes-all outcomes. There is a non-zero risk of having a couple of trillionaires and billionaires living isolated from a pariah sociality. That would cause a enormous instability, violence and crime.