We must pursue our trademarks or risk losing them. We must. So can we make this amicable instead of hostile?
The maintainer could have requested things like "Okay can I make some blog posts and you help me with some SEO to make sure people are aware of the changes to my project name?" etc. Sounds like Kik was willing to be reasonable and help where they could. Clearly they could have gone in with an opening statement saying "this is the lawyer, I am sending trademark takedown notices, fuck you, go to hell" but they clearly did not.
This is one person trying to make the best of an awkward situation, and one person just saying "duces".