Normally I’d say they peaked, but there are plenty of examples where a founder retires and the business continues to win share.
McDonalds, Apple, Walmart
Yeah, but how many coffee shops can there be. They must be saturated (!) by now.
Politically, Schultz may be a leftist ass, but he not only built the business, but he also retired before, and when it flagged, rebuilt it. A business phoenix.