No They do this just for money. deepin have cooperation with some Chinese companies, include sogou, WPS, maxthon, NetEase Cloud Music, youdao etc. They developed these progra...
The problem is deepin is the only distro which mixed proprietary programs (not only drivers, most of other distroes just include some drivers and microcode) in their main repo...
Does the package linux-firmware-nonfree exist and is this package installed? you may need to try.. try apt search firmware | grep "linux\|amd" to find packages you may need..
Hey how did you type the ℅ (U+2105, CARE OF) ? It made me thought my screen was broken lol , until I found it's not % Are you using a handwriting IME? 🤔
Did you solve it? install linux-headers may solve this error why don't you install proxychains from repo?
Can it boot to OS? If it could boot, you can ignore this warn. Update microcode may solve the problem.
Why? deepin even preinstall lots of proprietary shit (Spotify, steam, Skype, even WPS)
Did you enable non-free in repo?