I know this is not OK, because I can compare it to the amount of rage that I feel when I see someone defaming God's name. Do I get angry, yes. Do I feel the same deep rage that I feel when someone body checks me at the market, no. That my friends is misplaced and non-righteous anger. Jesus was angry because people were treating the temple like an ordinary market place. People were misplacing their affections and attention. And Jesus felt like that was severe enough to tie together a whip of cords and scatter the cattle and sheep from the temple. He made a scene because this offense was not only personal, it was spiritual.
I get overly offended at the personal and not offended enough at the spiritual. I should be so much more concerned with people who are defaming God's name than I do with who is cutting in front of me in line. If I am going to spend the energy being angry, it needs to be righteous anger and done for the goal of restoring glory to God's name.