To be honest DRAM was dirt cheap for quite a while and the profit margins of those companies were razor thin. Only recently they saw a surge in demand and they are exploiting it to enrich themselves but also increasing the manufacturing capacity is a lengthy and costly process which I presume some of those companies are actively trying to delay, in order to preserve their fat profit margins now.
Competition is good though and hopefully will lower the price overall faster.
Yes, this makes us even more ignorant. At some point in the past I was kind of hopeful we as united humanity can overcome this problem, like with the ozone layer hole, but then these individualistic policies started to sweep over the world and people started to care about other problems more.