FWIW, the history of smalltralk is lined with arguments such that it is an evolutionary dead-end, - the rationales have shifted drastically and continuously over the years; but guess what, smalltalk is still here and still evolving
WRT GNU smalltalk, those distros with a broken GST are using the most recent release; but it has bit-rot, and requires some routine maintenance upstream - the team should consider promoting 3.2.91 to a release, before GNU smalltalk gets removed from debian, for example - arch has been packaging 3.2.91 for years