"You’ve always been polite, friendly, and encouraging here and that carries some weight but"

Just a couple of counter examples:

• It was dead half a decade ago. Please, bury the dammed thing and get lost.
• if I were your manager or team-lead and I saw nonsense (ahem ...) like this in any source-repository that I was responsible for, “I’d kick your a*s right down the river and order you to rewrite it immediately.”