Regardless of who is in the right, their letter was more professional and polite than this OP response. The author is mistaken to think this is a pushy or aggressive letter, compared to an actual pushy or aggressive legal letter. PS: In the U.S. (if not the rest of the English speaking world?), if you want to use an honorific for a woman but don't know which she uses, always use "Ms.", never ever "Miss." "Miss" impli…
Arguing on HN is probably a moot point, but I'll try anyways. Don't get me wrong, I'm aware they could have gone about this in a much more aggressive way. But to go through their lawyers right away was a much more aggressive response than what I would have expected from MailChimp. I guess that's the totally correct legal response, but why not just send me a quick message?
I was also quite impressed by the tone of the message from Mailchimp legal - probably the clearest, most polite takedown request I've seen.