To Reatim

All other Pow coins are invalid, because if people’s attention shifts from bitcoin to other coins, the price of bitcoin increases, preventing people from investing in other coins, because they make more profit with bitcoin

"Bitcoin is not a company and does not have a group of people to decide whether they should lower or higher the price based on competition" - This mechanism works automatically. The higher the price, the more people will want

to buy because it means higher profit. I know it's not very intuitive, but it's a fact, no other pow coin  succeeded