I don't need an ad-blocker. I have YouTube Premium. And I really don't need Safari that often, actually. Besides, if we're really talking JS==insecure, 99% of users on desktop and mobile are insecure. I am sort of on your side, because I spend most of my web-time in Lynx in a tmux. But if I were to argue against JS, people would call me a weirdo. That war is over. I fought it until 2010.
I already said I dont use Safari that much. If you hadn't shortened the quote your reply would be moot. Maybe I need to rephrase, to make you happy: I don't use the web so much on my iPhone. The primary ad-offender in my world is YouTube, which I fixed by paying for Premium.
You know there aren't really ads on websites anymore, right?
There are ads in algorithm apps like YouTube, tiktok, Instagram, mobile games, streaming service "poor" subscriptions, etc. And there are paywalls. But the vast majority of interesting websites don't have ads anymore.