I don't agree because I've seen plenty of consumer-grade tech that uses flat-head screws. It's becoming less common but as one example I have a couple of extern

I don't agree because I've seen plenty of consumer-grade tech that uses flat-head screws. It's becoming less common but as one example I have a couple of external USB-nVME enclosures that came with flat-head screws to open the external casing. Inside it's Philips.