Ubuntu dropped the bomb - they are discontinuing 32-bit packages. Completely. Not just the distro - multiarch ones. I suppose GOG will now need to recommend another offical distro for supported games? Ubuntu and Mint are out.
I'd call it “dropped the ball” or “shooting themselves in the foot”. That's a really stupid thing. It seems that they want to get rid of everyone that uses (legacy) commercial software.
There's no issue with commercial SW, even legacy one, but with closed source SW.
And I don't think majority of community behind these distros even care, honestly the closed source SW in used very rarely, and lot of it has now decent alternatives in OSS.
It's pretty much total rare corner case situations like games or very specific SW, where there's no good alternative and discarding x86 will kill the SW, but 99% of the important SW is OSS, and not affected.
And closed source SW was always a zombie, dead upon arrival... it may work for a while when released, but if you clinch on it, you are doing disservice yourself, because it's destiny is sealed since the start.
I personally find it somewhat unlucky, that from my GOG linux games (~350+ games from 1k if I can believe the web filter) I will probably lose access to ~half of them (or I will need virtual machine with some old version of linux installed), but recent years I rarely play games anyway, so my buying was already more about support to developers and just collecting... But I'm not surprised, this is something what was inevitable. Whether it happens already in 2019 or 2030 doesn't matter that much to me.