AI is dramatically more compute- and memory-hungry than past computing models, so if that's what people are using, it's going to require a large build-out of computing capacity to support the requests that are being made right now.
And since enterprise GPUs have enormous leads times right now yeah it is in anticipation of future needs
Some more recent impacts/discussions:
RAM now represents 35 percent of bill of materials for HP PCs
https://news.ycombinator.com/item?id=47161160
Apple's 512GB Mac Studio vanishes
https://news.ycombinator.com/item?id=47296302
First Western Digital, now Sony: The tech giant suspends SD card sales