Ian stated "It is due ONLY to the drums"

the DRUMS, in my opinion, is the most important element of a style,
it's what drives the style
it's what makes you wanna get up on the dance floor,
it's the foundation to a good style

so saying it's ONLY the drums is indeed accurate,
but let's not forget how IMPORTANT the drums are, to get that LIVE sound which NO OTHER arranger gives you...