Dram alternates between feast and famine; it's the nature of a business when the granularity of investment is so huge (you have a fab or you don't, and they cost billions -maybe trillions by now). So, it will swing back. Unfortunately it looks like maybe 3-5 years on average, from some analysis here: https://storagesearch.com/memory-boom-bust-cycles.html

(That's just me eyeballing it, feel free to do the math)