I generally don't see any appeal to in-app browsers in the first place. They often have extremely broken navigation controls (i.e. attempting to swipe back to a previous page usually just returns back to the app), block the ability to navigate to a specific URL, content blockers don't work, don't allow opening "smart links" that would typically open in another app if opened from a normal browser, etc. From what I'm g…
I think all of the various bad things people talk about here must happen sometimes, but it's mostly just retention I'd guess.