For me it was even worse, their mobile app's cache would bork fairly frequently, and the app would misbehave until I cleared it, and on android, it isn't exactly an accessible option, you have to go through layers of settings menus, scroll forever for the app you're looking for to finally clear it. Third time it happened, I cancelled my Safari account.

I want to like Safari as an option, but it's way too limited for me. Frankly I'm only buying 2-3 books a year now, mostly relying on technical articles or online documentation (bad as that may be). I may go through another burst reading 8-10 books over a summer again, but not at the moment.

Although this change doesn't affect me, I mostly bought print books via Amazon anyway, because I find digital copies harder to recall/work through.