This was in the article:

The new Hemi features cross-flow aluminum cylinder heads with hemispherical combustion chambers

and this:

The engine's unique two-valve hemispherical combustion chamber within an aluminum head

and this:

Deep-skirt cast iron block with cross-bolted main bearing caps, aluminum alloy heads with hemispherical combustion chambers, 90 degree V-type, liquid cooled.

The term HEMI applies to and always applied to the combustion chamber design. So yeas it's a Hemi.

All that "not a real Hemi" stuff was started by the owners of original 426's and such.