His philanthropy channel has millions of views on each video with 100% of the advertisement revenue, brand deals, and merchandise sales donated to charity. He also runs a non-profit that does charity work.
I'm not here to convince anyone that he's a hero (or not). I just think his philanthropy is what the original comment was referring to.
>make me $1 million and I'll give you $500k philanthropy?
Even if it was just the equivalent of donating half his earnings, that's significantly more than I think most people do.