No, the conclusion should be, not to buy cheap, poorly engineered crap.In conclusion, USB is very easy to use but needs to be avoided for high quality audio transport.
Wanna hear about AC1220? Here:
Incredibly bad ALC1220-VB Headphone out Noise and Distortion
I just learned the headphone source I used most for a year is so noisy and distorted. It's hard to believe based on reviews of similar motherboards and or even previous and more inferior on-board DAC/amps. This is the front headphone-out from a realtek ALC1220-VB from Gigabyte X570s aorus...
www.audiosciencereview.com
Or
There is plenty more to be found. It can be just a noisy and crap if not well integrated.
98% or so of all the hundreds of USB DACs that @amirm tested had zero issues with noise noise or dropouts.