[KennyBlanken]

> an open-source company has to find product market fit twice: first for the OSS project and again for a commercial product.

The only way this could be a 'lesson learned' is if you homehow managed to not pay any attention to what has been going on in the last 25 years with open source software companies.

[christoff12]

It's possible to personally learn lessons that have been documented or articulated elsewhere.

That's why it's called learning.

[beachy]

Not really - survivorship bias means that the open source companies you are referring to have all already passed the first hurdle.