I mean, seriously? I just don’t know what to say about Apple AJ (After Jobs). Incredibly disappointing. Just my opinion, but I just think each new update is lesser than before.
I only did a quick google search on this question. I hope to be proven wrong by the skilled experts on this forum.
Ooops! I am such a moron! I didn’t see it because it was in BIG type. Jeez, please shoot me.
I am so sorry to waste bandwidth on TidBits.
Adam, ban me. 
Dude, what?
Don’t beat yourself up about it.
I saw the same thing when I initially tried to bring up reader view. There was also a button about allowing summaries (or something like that), but I’m unsure if I tapped it. Anyway, a few minutes later, I again tapped the appropriate icon and now saw a button to access reader view, just as on MacOS and iOS.