It's not going to last until 2028, it'll last until 'min(AI_bubble_burst, 2028)', which I expect will be a lot smaller than just '2028'. So the real question is, how long will it take to retool for non-HBM, and will there be a fire sale as they scramble to recover?

Which also explains why production is falling behind demand, companies aren't going to sink billions into creating product for a market that could dry up overnight.