Sorry, what exactly about Baremetrics is luck?
You people seem to fixate on the Facebooks of the world instead of the other 99% of businesses built on blood, sweat and tears.
Probably because most of this website sits behind a desk writing software thinking it gets sold because of magical fairies and luck, not 10000 agonizing cold calls.
The two aren't mutually exclusive.
Startup outcomes are mostly luck, led by people who (have to?) believe that they aren't.