Wow, where do you live?! Across the US and UK, I’ve consistently found home-ISP-supplied DNS to be slow, spammy and unreliable.

I've had ISP DNS servers that redirect NXDOMAIN responses to spammy "search" pages full of sponsored crap and banner ads.

There's always OpenNIC, DNS.watch, or Quad9 if you're after something that isn't operated by a creepy megacorp.