I bet you it sold 4.9 million. Typical EA logic. DS1 and 2 only did like 2mil. Even appealing to the COD crowd and having micro-transactions wouldn't have saved it.
I'm a bit pissed at EA (SimCity, ME3 and now this), they exploit their consumers way too much. "But it's a business!". Yeah, so are CD Projekt, Valve and SE. You don't see them pulling shit like this (apart from SE with All The Bravest).
And yes, I've played DS3. It's awful. Writing, enemy design, voice acting. the works. The sound design was pretty nice though.