I worked at a startup where the relentless focus on being able to scale to support millions of users from day one hurt the business very severely and was one of

I worked at a startup where the relentless focus on being able to scale to support millions of users from day one hurt the business very severely and was one of two reasons that the company failed. Spending almost 50% of the venture funding raised on hardware that was never used when 10 servers would've sufficed was not a smart idea.