Ok, then you're talking only about usb headphones.
If you have a dongle and it breaks, good luck fixing the cable. God forbid the dac is integrated to the headphone itself. Also, if the dac fails you're also sol. So yeah, I wouldn't call having a more expensive set up that's also more likely to fail and doesn't have any added benefits a good alternative.
"cannot use"? Where you born without hands? Also, that "practice" is not an ancient tradition. It's an extremely simple process that takes 15 minutes. Also no, normal headphones will not "die out".
I'd be willing to bet on the latter point there. Laserdiscs are similarly dead technology. Niche collectors may enjoy them, but they will not be catered to for the average consumer.