Gog is doing much better than in 2022. They are making 1.2M dollars in profit. Which is pretty good for such a platform personally. I really like the ideals of GOG, but haven't really used the platform a whole lot....
Just like Quake 1, if you already own Quake 2, the enhanced version is available as a free update. Although unlike Quake 1, Quake 2: Enhanced is also available on GOG day 1....
Sure, you could have ran RotT in a number of sourceports, DOSBox, or even a virtual machine if you were determined, but the experience of getting it up and running on a modern system hasn’t been great....