It will be entirely Sony's fault if Bungie suffers from Marathon's release.
I think games just take way too long to make; they keep missing the window of time that they would have been relevant for the market, and the long years of development makes it extremely expensive to even complete the project.
The new crash will happen if Millennials (which power the old style of the gaming industry) can no longer sustain it, as everyone younger would rather be into the new style of the industry of social games and forever games.