I wouldn't build something unless there was demand for it and a profitable business model. If people can't pay for it then demand doesn't matter, you won't make money, so you shouldn't invest in the first place.
Capital alone doesn't do anything.
When you have demand and a profitable business model then capital can help you, but it's a tricky balance between too much capital and too little. If you raise too much money then the investors will be clamouring for returns you can't deliver on. If you raise too little you'll be starved for capital and stunt your growth.
The real problem is when it's all about capital, when you ignore everything else. If your only goal is to create more of it then you're going to have no qualms about driving businesses into the ground if you can make money doing it. That helps only a small group of people and causes a massive amount of trouble for others.
