If you are just using the basic service for a firewall/DDOS protection and CDN there doesn't seem to be much lock in. If other competitors come along, and they

If you are just using the basic service for a firewall/DDOS protection and CDN there doesn't seem to be much lock in. If other competitors come along, and they undoubtedly will if Cloudflare proves the value of the market, it should just be a matter of switching your DNS records to said competitor. Maybe I'm not imaginative enough, so please share if I'm not thinking of something, but it doesn't seem like their market share makes it harder for other competitors, they aren't monopolistic.