I'm still getting this error in v3.49.  I specifically excluded "links on
domain including" and added google, facebook, twitter, and a few other sites I
know I don't want.  

3 hours later, I see 4Gbs of data copied with what appears to be several
twitter feeds copied directly.  I had no other external depth parameters set,
it was only supposed to copy the website, but it ignored my exclusion list.