you either die pro-free-market or become successful enough to become pro-monopoly

the big four did not become the big four allowing competitors to compete.. 
if your competitor choose to give up for a great price.. just buy it..

Alchemist. 
Block Builder. 
Creator.
Degen. 
Ethereum dev. 
Farcaster Framer.

google has bought every competitor until it become a group of companies instead the fast searcher in the world... and this greedy way of acting is the only explanation to their success in a rapidly evolving field like tech..