There are some counter-examples of companies that have been publicly traded for a long-ish time and still aren't "terrible": Berkshire Hathaway, Novo Nordisk,

There are some counter-examples of companies that have been publicly traded for a long-ish time and still aren't "terrible": Berkshire Hathaway, Novo Nordisk, ASML, TSMC, Saab, Atlas Copco, Texas Instruments. (Perhaps not that many from the US though, relatively speaking? Not sure TBH.)