Moving on to an entirely disingenuous non-apology ("i'm sorry you were offended" vs. "i'm sorry I offended you"), it doesn't get much better. Then on to an appeal to authority - we tried it with other developers and they didn't care at all.
The thing is, I can't criticise from a business level. I have no idea what their internal world looks like (we can all have our own guesses). But the message is inept at best. The upshot is that it's hard to imagine anyone building something (innovative or not) on the Twitter platform. If it's within the TOCs today, would this message give you confidence that it will be next week?
By attempting to kick out half of your hangers on, you end up kicking out all of your hangers on. Seems like a lesson worth heeding for giants and hangers on alike.