It really is true that you become an average of the people you spend the most time with.
Founders need to figure out what the message of the company is going to be.
More important than starting any startup, is getting to know a lot of potential co-founders.
A board member of mine used to say sales fix everything in a startup, and that is really true.
... how much time you should be spending on hiring? The answer is 0 or 25 percent.
If you look at successful pivots, they almost always are a pivot into something that the founder wanted. Not a random made up idea.