It is good internet etiquette to refrain from texting while angry because text can be permanent while emotion changes quickly.
Nice Text Netiquette
Don’t let your anger get the best of you by writing something angry. Don’t worry be happy. Anger is a social phenomenon in most cases.
I used to angry when I saw news stories about senseless crime. I stopped watching the news. Don’t get angry about it anymore. Given, I don’t hear about. Sending angry text messages is much the same.
Why report something angry?
Emotions are illusive, they come and go for various reasons. Text messages can be saved. A saved message is not illusive it can be retrieved.
Many people say or write things they do not mean when they are angry or inebriated. Saying something mean can hurt someone’s feelings, but the words are gone as soon as they are spoken.
Texting something mean can hurt someone’s feeling more than once and it can hurt more than one persons feelings because of the cyber nature of texting.