There is a big difference between emulating or being inspired by another's idea versus actively collaborating with them and then simply stop working with them once you feel you don't need them anymore.
Without people like TJ and myself, Zeit wouldn't exist. Buyer beware to whoever decides to acquire Zeit.
While I don't want to sound condescending or like a promoter of fad philosophies, I've found that meditation and reading Stoic philosophy and really helps to build a thicker skin.
You sound as if resentment / envy is deeply poisoning you, and yet in the scope of business schemes it is really nothing.
Also, based upon your attitude here, it's not surprising that collaboration ended. Most people are insecure and envious, but you can't found companies with people like that as they will kill the company.