How does flaming show a lack of respect? Do you respect people who flame others? Why?

How does flaming show a lack of respect?  Do you respect people who flame others?  Why?

 Flaming shows a lack of respect by bashing or insulting other internet user. Do I respect people who flame? Why should I respect people who flame if they can't flame in person then flaming on the internet is pointless, very pointless and it shouldn't be done.