He's vowed that any profits made from it will go back into the LLC. From what I've read, he's not seeking to make an earning from it.
...it goes back into the LLC so he can invest more money in for-profit technologies. What you are saying is that any profits he makes from his LLC are being used to invest in other profit-making ventures.
That's not fucking charity. That's investing. This is literally the first bit of business advice I was ever given -- constantly reinvest your companies profits.
You're not really understanding that the LLC is operates, essentially, like Zuckerberg's own cash. Except, when he spends through the LLC, it's tax free.
Other uses of his LLC's profits that he can do, which he could not do had he actually set up a charitable organization, is make political donations. A billionaire, investing in for-profit private technologies, tax free, and using rhe profits to make political contributions. This is charity to you??