Are you clicking their seek ad? (not sure if you'd see the seek ads here of those you've blocked, but on other sites you do see them)
Are you referring to tournament games? I don't think 'blocking' would affect matchups in tournament games.
sftac
ps. This is not really a 'suggestion' topic imo, you might do much better for helpful replies, in the Help and Support forum.
i keep getting games with a member i already blocked. what the heck's going on?