Your arguments are technically valid, and explain why AMD is doing this, but the eventual outcome is that for the (many!) non-corporate users of would-be-ML-hwa

Your arguments are technically valid, and explain why AMD is doing this, but the eventual outcome is that for the (many!) non-corporate users of would-be-ML-hwardware you get better service by avoiding AMD/ROCm and buying nVidia hardware instead, because there you do get appropriate software support also for old cards, gaming cards, and old gaming cards And afterwards the AMD community is wondering why researchers and toolmakers have limited support their ecosystem - this is why.