I find people buying $200 sneakers that offer no significant performance improvement over much cheaper alternatives to be 'inexplicable.' I find people buying $1000 phones when a $200 phone would perform literally 100% of a purchaser's tasks to 100% acceptability, to be 'inexplicable'. I even find people buying new cars 'inexplicable' given their hyper-depreciation - meaning a lightly used car is generally a vastly better value.
Of course I put 'inexplicable' in single quotes because these things are all completely explicable. Personal choice is a right of every person in a free society, and people have different views and values. And my examples understate the relevance of this as this choice is far more significant, and frequently personal, when it comes to what people consume than whatever stuff people buy for image crafting.