See there are users who like Liquid Glass, just as there are users who like TouchID. A lot of Apple’s best work turned out to be quite polarizing at the time.
iOS 7’s design language was almost universally panned, but if it were “the wrong decision,” other phones wouldn’t have adopted similar design language. Material appeared just a year later in 2014. It wasn’t bad, it was just arbitrary.
(“I like Liquid Glass! I like Liquid Glass!” I insist as i slowly shrink down into the size of a corn cob)
On the topic of Alan Dye and the home button though, the swipe gesture interface they introduced when they removed the home button strikes me as one of few genuinely successful system-level Apple design innovations in recent years. That at least seems to have happened under his leadership. Can’t think of much else good to say about what I associate with design under him.