Billionaires love announcing they're donating a substantial sum of x millions then following it up doing fuck all or setting the date for the donation to the year 2180.
Even if he did donate all he owns, all he'd have done is rob the Russian people to support Israeli illegal settlements robbing the Palestinian people while giving the Ukrainian people a little handout to clear his name, the latter not even happening by his own volition but as a result of the manhunt for everything Russian. He'll still burn in hell