Apple doesn't collect your browsing data, they build in privacy controls that are pretty much as strong as they can manage given the state of the world, and while it doesn't support uBO, it supports a variety of pretty solid adblockers (I use AdGuard, which, AFAICT, Just Works™ and even blocks YouTube ads most of the time, despite their arms race).
That's what their marketing want you to believe, at least.
Their privacy policy is very clear it's not the case though:
> we may collect a variety of information, including:
> […]
> Usage Data. Data about your activity on and use of our offerings, such as app launches within our services, including browsing history; search history;
Apple doesn't collect your browsing data, they build in privacy controls that are pretty much as strong as they can manage given the state of the world, and while it doesn't support uBO, it supports a variety of pretty solid adblockers (I use AdGuard, which, AFAICT, Just Works™ and even blocks YouTube ads most of the time, despite their arms race).