Here is some tip if that can help : if you continue to swipe after the button are shown, you'll feel a vibration and releasing your finger will activate the default option (which is "Close"). In fact, you just have to do larger swipes.

But yeah, I also uses iOS because I don't want anything Google. In terms of UX, i don't like iOS but I also loathe Android. I currently lack courage, but I think that in some point in my life, I'll just throw smartphones. I'm sad that Firefox OS became this closed KaiOS thing. A hackable dumbphone is just what I need.