Yes. Former founder here as well. One thing many would-be founders don't seem to realize is that like it or not, good companies satisfy individual humans, and successful ones scale that to satisfying a lot of individual humans.

Companies aren't about the big idea. They aren't about the product. They're about serving other people. To do that, having a big idea and a product can definitely help. But the very easiest way to fuck up a company is to forget that success comes down to a great number of small interactions.