Very slightly unrelated, but this trend is one of the reasons I went Android after the iPhone removed the home button. I think it became meaningfully harder to explain interactions to older users in my family and just when they got the hang of "force touch" it also went away.
First thing I do on new Pixel phones is enable 3 button navigation, but lately that's also falling out of favor in UI terms, with apps assuming bottom navigation bar and not accounting for the larger spacing of 3 button nav and putting content or text behind it.
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