It is indeed a piss-poor store of value for people who have high time preference, but unmatched for those with low time preference.
Illiquidity is a bad thing, not an generally an indicator that something is an especially good investment.
Also your tendency to define things in binary terms (liquid/illiquid, value/no value) is troubling.
Why the struggle to pretend not to be able to tell the difference between Bitcoin and limited edition comic books?