[chubot]

This is precisely what I mean by "beyond mere disagreement". It's not enough to disagree; his character must be attacked as well.

[bbctol]

de Grey seems like a great guy; he's a fantastic speaker, I generally agree with his vision of humanity, and this proof is impressive. I haven't attacked his character, nor do I plan to.

With respect to his work on resisting human aging, he hasn't produced anything of value.