The funds were donated to BM. Technically it might have been I3 or whatever, but in the end people gave their money to BM as gifts to do whatever he wanted with - because he indicated he wanted to use it for realizing his grand DAC vision. As far as I've seen they were literally gifts to him and he could pocket it all and there'd be no legal recourse. Now he is giving these funds on in ways he thinks are the most beneficial for realizing his DAC vision etc. We BTS owners do not have a say in how they're used, because the money was never an investment. They were given based on trust (blind trust, in fact), and since theres been no indication of a breach of trust so far, I don't see a reason to complain - or at least feel like there's been a breach of trust.
Personally I still think the rational thing to do would be to buy BTS for all the funds and then burn them, and then just have core developers make 4 delegates to pay their salary. And no, temporarily having 80 delegates would not be insecure. If 81 is insecure then 101 is insecure. In fact, we could have only 25 people all running 4 delegates and our system would still be vastly more decentralized than bitcoin, with the added bonus that we are a 100x smaller target.
Anyway, splitting up and handing out the remaining funds seem like a fair way to handle decentralizing development, if temporary multi-delegates really are such taboo.