That’s very strange, which distro and GPU was this? So I don’t recommend that to anyone?
I’m assuming the GPU in question was Nvidia, since AMD and Intel make their driver opensource and baked in to the kernel. Sadly nVidias latest kernel (535) has been troublesome, so I’m still on the previous 525. nVidia is about to release 545, which looks to be very promising.
Luckily on Ubuntu changing driver is as easy as opening the Additional Drivers application, selecting the driver version, hit apply and reboot. PopOS, Bazzite, and a few others comes with Nvidia drivers preinstalled.