I am not convinced the post author understands or does justice to Ron Paul's tweet. In my view Paul is not being unsympathetic or disrespectful to the grieving family or victim Kyle. What I propose then is that we need more information about the tweet or about Paul's view of the Kyle incident before offering commentary.
For example, here is another tweet ostensibly from the same RonPaul Twitter account:
"As a veteran, I certainly recognize that this weekend's violence and killing of Chris Kyle were a tragic and sad... http://on.fb.me/14NztZ8 "