If they really become unacceptably bad, people could start backing an alternate DNS root en masse. https://en.wikipedia.org/wiki/Alternative_DNS_root https://en

If they really become unacceptably bad, people could start backing an alternate DNS root en masse. https://en.wikipedia.org/wiki/Alternative_DNS_root https://en.wikipedia.org/wiki/Alternative_DNS_root Good luck getting anyone to agree on which one though.