Oddly enough, ours don't ignore us, at all.
Except for the rare occasions when they want to, of course.
I've never known cat to ignore the opening of the pantry door.
These researchers are all ignoring one basic fact - there are no such things as 'cat owners'!
Dogs have owners - Cats have staff.
Ansel comes running when I come home. He also likes to climb up on the back of a chair and beg me to hold him.
Biggey, he just sees me as a can opener.