I'm by no means against the feature. Hell, I shoot 90% of my family photos in Portrait mode on my Galaxy phone, which does some creative bluring and probably some other magic[0]. I just really appreciate being able to turn the magic on or off myself. That, and knowing exactly what the magic is[1].
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[0] - I don't know what exactly it does, but switching from normal to Portrait mode is all it takes for my photos to suddenly look amazing, as judged by my wife, vs. plain sucking.
[1] - See e.g. "scene optimizer" in Galaxy phones. It's a toggle on normal photo mode. I have no first clue what it does, I can't see any obvious immediate difference between shots taken with vs. without that feature.