It is an informed guess based on the fact that the settlement involved acknowledging, as the original YC paperwork said, he was a cofounder who owned 50% of a $

It is an informed guess based on the fact that the settlement involved acknowledging, as the original YC paperwork said, he was a cofounder who owned 50% of a $1b exit. I haven't seen anyone in a hurry to leak claims that the settlement was for a trivial amount, nor did anyone at the time offer any good reasons for thinking that.