In the 90s, software modems ("winmodems", see [0]) were popular because they were cheaper than using dedicated hardware for generating and decoding the audio signals sent over the phone line. Those would break if the manufacturer didn't upgrade their driver for newer versions of Windows, since they're completely software driven.
I'd be very surprised if things have changed since then, and I bet that the majority of consumers would just pick the cheapest option at the big box store.
Now most Linux distributions are littered with binary blobs in linux-firmware that have to be loaded for everything from Wi-Fi to Bluetooth. We've gone the total opposite direction of where we should be .. except for like .. amdgpu.
It would be a full two years before I would see any other home users on anything other than dialup. 750k down in 2001 was so impressive, you could start listening to songs on Kazaa as soon as the download started!