The AMD Radeon VII has 16GB HBM2 and sold for $700 in 2019. I don't know how that would translate to today's HBM2E's pricing like if its price change follows that of GDDR's.
I honestly can't say I have however, that doesn't mean it couldn't physically exist/happen? Perhaps a "little" more cost but I'd be willing to bet people would gladly pay the premium for such a device. I'm also very curious to know what the BOM for an A100 actually is as well as HBM2E per GB.