You lose other actors who only joined to work with Brad for one. You lose part of your audience and you lose distribution and press opportunities.
If it wasn't for Sam pushing for a version that became gpt3.5 and the popularity that followed and most recently gpt 4 push we would still be waiting for the brilliant people . Google was way ahead in this space but failed to release anything.
As a developer I understand belittling the business side as providing little value but as someone who has tried to get the masses to adopt my software my respect for their ability to solve non-technical problems has grown.