Classily done. It's difficult to balance the want of marketing and yet not whore yourself out based on popular interest during a tragedy, but this helps a lot of people. Hats off.
It's not even marketing in my mind but a public obligation. If there is anyone who would be able to provide this service, it's Twilio. Agreed, hats off.
It's marketing. However, it's awesome to see them spend money to help people directly, rather than on advertising or something like that.
It's marketing, but it's not cynical marketing. It's the kind of marketing that should, in an ideal world, totally work. You prove you're a good, friendly company by doing good, friendly things.