There is no truth in that rumour.
EASA consider that Class 1 Performance profiles are incompatible with the wearing of NVG.
HEMS Operating bases are surveyed and lit, no NVGrequirement.
Hospitals are surveyed and lit, no NVG requirement.
HEMS Operating sites are not capable of PC1 due to the fact the obstacle environment is unknown and sites are estimated for size etc. Operations are PC2/3 and can be flown with NVG.
Effect on operations? Nil
My experience of the CAA is that they are constrained by JAR/EASA and not by any "in house" desire to see such operations curtailed.