Well, as the scripture says, be angry and [yet] do not sin. (The [yet] is a Crazy Evangelical gloss.)
Yes we need to get angry at sin. The secret is to use the spiritual equivalent of what oriental martial arts experts call “pressure points.” (You press there and the opponent falls down in a swoon. And it’s not a roundhouse, widowmaker blow that does it.)
The purpose of getting angry at sin is to get it to stop. And the purpose of getting sin to stop is so that righteousness can be accepted to take its place. I really do take this God is Love stuff seriously, folks... and so should you. Once you do, it will explain a whole lot of mysteries.
Well said, m'dear...