Yes, lots of serious companies would (and do) exist; they're called worker-owned cooperatives, wherein all members of a firm share the risk and reward/of runnin

Yes, lots of serious companies would (and do) exist; they're called worker-owned cooperatives, wherein all members of a firm share the risk and reward/of running the business, instead of one or two individuals paying themselves an arbitrary "risk premium" that workers have no say over.