to start with they do then they refine the process. thats why consoles often run for years. might start off costing £500 a piece after 3 or 4 years it may only be £150. thats why games are 50 quid a pop.
I'm pretty sure it's only Nintendo that profit on hardware

No-one's forcing you to PC. If consoles are what floats your boat then go for it. But it you're just looking for an excuse to gripe then don't be surprised if people push back.