I am not sure why everyone feels so confident in setting 1.1.1.1 as DNS or 8.8.8.8 like those entities were your friends.
You are just handing over your entire browsing history to the worst data brokers around.
The same kind of spam calls that you get and leave you wondering how they got your data: they already have everything about you, there's no way this is fine.
And BTW Dns over Https or Dns over Tls is still a scam if you default to the same Dns servers as above.