Oh I completely understand and it's within your right to defend
   both your integrity and that of the OP. It is a cause you're
   willing to fight and I think that's fantastic because it leads
   to a more educated people. I don't always have that kind of
   stamina, so I'm grateful that you do. = That's what makes it
   tricky. is correct. However, the last two memes you posted,* are
   ALSO correct. Two different corrects. Leads to a lot of verbal
   battles. ==