Meanwhile the complete lack of enthusiast ML software for their consumer grade cards mean they can put gobs of GPU memory on their GPUs without eating into their HPC business line.
I feel like that's something they would be explaining to their investors if it was intentional though.
Not sure which complete lack you're talking about. You can run the SotA open source image and text generation models on the 7900 xtx. They might be one or two iterations behind their nvidia counterparts and you will run into more issues, but there is a community.
I feel like that's something they would be explaining to their investors if it was intentional though.