Well, there is FastMail† (which was recently spun back off of Opera). You can get a good web mail service without ads in return for a modest subscription fee.

So, as a Gmail user, you have a choice. Free, but you get to see dumpster ads because the email was about dumping some stuff off a database. Or on your credit card, because you don't want silicon being any more aware of your email bits than absolutely necessary to show them to you.

It should be up to you, the user, not Judge Koh!

†https://www.fastmail.fm/signup/personal.html

I'm sticking with Gmail.