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That seemed to me very coordinated to pin-prick the model bubble
Yep. And that's not a loss I mourn. The bubble was ridiculous. Focusing on infra is time and money spent much better.
There's no meaningful opensource hardware and I suspect that's kept that way intentionally.
I'm still hopeful for RISC-V implementations especially now that generic compute makes space for optimized compute, which does fit. I fear it won't go much past the hobbyist horizon but if I don't use it myself, I'm not part of the solution. So perhaps I should get back into that.