Why are you describing the backdoor in DUAL_EC_DRBG, without referencing/naming it?
That's separate. It *is* an issue of NUMS not being used, which is *analogous*, but it's different to the lack of NUMS generation of constants in curves defined by NIST etc.
(The link is certainly relevant though, of course; these details, in case you weren't aware, were already known in the bitcoin world in 2013).