What an ego! “If I have no use for it then it is useless” - or is it just a lack of imagination on your part?

Graphics designers, product advertisement creators, eBay sellers, interior designers, asset monitors, I can think of many people who use this, as soon as I saw this article I sent it to 4 friends who thought it was the coolest thing and wanted it straight away (and thought it was underpriced)

This was before I saw your comment which made me laugh out loud

Background removal on portraits or merchandise pictures seems common enough. Seamlessly getting it from smartphone to computer and thereby significantly reducing friction seems really useful