In which spaces can small-appliance branch circuits have "No Other Outlets"?
210.52(A) defines a scope of dwelling units
Consider a well-developed outdoor barbecue area.  It has a BBQ, a double sink, some countertops, maybe some other outdoor-rated appliances, etc.
Consider an office &quot;break room&quot; area with a reasonably competent kitchenette.
Consider a commercial restaurant's waitress alcove/island area, where salads are made, coffee is brewed, soups are doled out, etc.
All of these are out-of-scope for 210.52(A).  What Code is saying is that 210.52(B) does not apply in these locations; it only applies where 210.52(A) applies, i.e. inside dwelling units.

No Other Outlets is being overloaded to have 2 meanings at once.
You have to carefully read the context.
&quot;No other outlets&quot; as applicable to the mandatory circuit.
Take a garage.  You have a grandfathered garage with a 15A receptacle, opener and light circuit.  You develop the garage attic into an ADU, which voids the grandfathering and now the garage must be brought up to 2017 Code.  That requires one garage circuit, and and that one garage circuit may have no other outlets (i.e. they must all be in the garage).  However, Code is silent on existence of any other garage circuits. Those may exist and may serve other outlets.   So the 15A circuit can stay, and provide supplemental service beyond the mandatory.
&quot;No other outlets&quot; as applicable to every receptacle.
Take a kitchen.  Say you already have a 15A kitchen recep circuit that serves there, and outdoor outlet and a hallway outlet.  You must have at least two 20A kitchen recep circuits.  What about the 15A?  Nope, 210.52(B)(1) says &quot;shall serve all wall and floor receptacle outlets&quot;.  That means every wall and floor recep outlet must be on one of those covered 20A circuits, which due to (B)(2) must be dedicated.  So that means the 15A circuit must stop supplying kitchen receps. It cannot be an optional third circuit.