and all of your investments did worse than Amazon or Tesla, that haven't been particularly profitable.

Amazon hasn't been profitable on paper for decades. Tesla took until 2021 to make a profit.

You'd underperform terribly if you were to wait until they make a profit, as markets are forward looking and you are paying attention to trailing indicators.

Profits today for an organization size of Amazon is execution of a plan put in place 5 years ago.

If you are about to dive into value investing: Berkshire made most of their money from Apple, which was a side bet made by a hired portfolio manager, not Buffett himself.