This sounds like complaining about users being able to report bugs.
In this case it sounds like the bugs were mostly Linux-specific ("gfx driver related").
> The world of 2014 Linux graphics drivers was not a friendly place. We absolutely encountered issues where some driver revisions only worked on certain distros, and AFAIK we did not use anything specific to a Linux distro.
About the same time Chromium project found a lot of GFX bugs and created a lot of workarounds but when I disabled all of them now in 2019, they don't seem to exist. Anecdotal experience but I think things have improved and it wouldn't be this hard any longer.