Because I was already grumpy today even before I heard more than one of these IN THE SAME DAY.

Ranked by increasing infuriatingness (to me at least):

1. 
   "Why can't we all just use singular they?"
   Why can't we just call everyone 'Alex'?
   
2. 
   "But 'they' is ungrammatical and awkward!"
   Oh shoot wow, really? Better go tell Chaucer and Shakespeare ( Read more... )