If you're a start up especially in silicon valley, it doesn't matter how well something is built if you can't get to market, which creates a toxic culture of build fast at all cost, that small detail will be a "good problem to have", and AI has thrown jet fuel on the dumpster fire.
I've never understood this. SV is full of the corpses of "First mover" advantage. Meanwhile many great companies were third or later to the scene.