He essentially was having a tantrum

You're allowed to have a tantrum when a 10 figure company is doing a marketing stunt and shitting on your life's work to do so.

If you spend X amount of years building something, and someone you know to be a mediocre dev trashes it in an effort to enrich themselves, you're allowed to expose the things you know about them. End of story. I wish more people would throw a tantrum. We should expose all these charleton and thieves.