I believe that the intent of 210.11, C, 3 was to require all receptacle outlets in dwelling unit bathrooms to be supplied by at least one 20A circuit, but it seems that with the exclusion of the word "ALL" that this would also allow other receptacle outlets on 15A circuits to be installed in bathrooms.

Keeping this in mind, and if so, couldn't someone interpret this to say that the receptacle outlet required by 210.52, D within 3-feet of the outside edge of the sink wouldn't be required to be on a 20A circuit?

Seems that adding the word "All" would clarify this if indeed the intent were that all general-purpose receptacle outlets are to be on a 20A circuits.
Was this an intentional omission to continue to allow fan/lights units with their internal receptacles to still be connected to 15A lighting circuits in these bathrooms?