The reason startups die is that they run out of money. Ramen profitable is a thing, and ramen costs less than the kind of outlays you're describing. If you've

The reason startups die is that they run out of money. Ramen profitable is a thing, and ramen costs less than the kind of outlays you're describing. If you've hit a seam such that each feature you develop nets you more revenue, you'd be a complete idiot to optimize for costs. But a company in search of a business model hasn't gotten that far yet.