Specific genres are awesome to find new bands, that you like, because they sound similar. If I like power metal and you recommend me Behemoth, because I like metal, your suggestion has no value for me, while I probably would like another power metal band like Blind Guardian.
A total market collapse and after that the economy does not recover? I guess we will have more serious problems than pensions then. These funds are highly diversified. It’s not like they gamble all on one company.