>market that Micron, Samsung and SK Hynix are abandoning to chase the AI server market

These three have collectively committed what, approaching $50B towards construction of new facilities and fabs in response to the demand?

The memory industry has traditionally projected demand several years out and proactively scheduled construction and manufacturing to be able to meet the projected demand. The last time they did that, in the crypto boom, the boom quickly turned into a bust and the memory makers got burned with a bad case of oversupply for years. With that context, can you blame them for wanting to go a bit more slowly with this boom?

Sure, the new fabs won't be up and at volume production until late 2027 / early 2028, but committing tens of billions of dollars to new production facilities, including to facilities dedicated to DRAM rather than NAND or HBM, is hardly 'abandoning'. They're pivoting to higher profit margin segments - rational behavior for a for-profit corporation - but thanks to the invisible hand of the (not quite as free as it should be) market, this is, partially, a self-solving issue, as DRAM margins soar while HBM margins compress, and we're already seeing industry response to that dynamic, too: https://www.guru3d.com/story/samsung-reallocates-of-hbm3-cap...