The Mormon Church continues to recruit from Holocaust victims

How weird is this? I mean, this is obviously an insulting thing to do and they need to cut it out, but I don't get the logic of it either?
If they can decide who is Mormon or not without actually consulting that person, why don't they just do one big baptism and declare everyone who ever lived a Mormon?
If I had Mormon relatives, I would specify in my will that I do not want to be declared a post-humous Mormon. Of course, that probably doesn't stop them.