As far as I can remember, they raised money when Notre Dame church was burned last April 2019.
And then their charity also donated $1 million to Australia Bush fire. So I'm not surprised by their so called "philantrophic" worked on the China problem (Coronavirus) epidemic right now.
Exactly, you understand what's on ground. Binance has been indulging in donations for nations hit by disasters lately, indirectly its great marketing. It's a good thing the donations are giving a good name to crypto 😎, hence we should encourage such moves by crypto projects. Soon other projects especially exchanges will join the movement.