Hi Welcome to the forum.
Others have reported this problem. I think some usb adapters dont penetrate deep enough into the socket to make a good electrical contact. I dont think its directly related to its build quality. Some work , some dont.
I have an 'alca' brand triple outlet that works in my mk4 ,but thats no guarantee it would work in your car. Especially as mine has never been used with a cigarette lighter 'thingie' that can make the socket terminals dirty or corroded. But I have also tried it with one or two cheapo " £1 including postage from China " no name adapters in the past that also worked.