VIDEOS:
On Nuance In Dark Humor
After Volkeh (who thinks spamming racial slurs qualifies as dark humor) is put on the spot for his behavior, he points out something said earlier by Bowl. FC (who has been renamed "Karen" by the server moderator) makes an argument on why what Bowl said has the intent of crossing the line twice (and discusses the point of double-line-crosses), while what Volkeh says has the intent of just plain crossing the line.
Example of:
Crosses the Line Twice