Tom Clancy is, because his games need to keep screaming "HEY THIS IS BY TOM CLANCY, OK? LOOK AT ME, TOM CLANCY, I'M BEING TOM CLANCY!" in their titles.
Tom Clancy, the man, has been dead for a decade. "Tom Clancy's..." is branding that is pushed by Ubisoft, which bought perpetual rights to use the name in 2008.
They haven't really been 'his' games since before even then.
