You’re signaling that you will use money wastefully (in its direct effects) by your own standards
This is an effective signal. It sounds like multi considers changing the current standard of existential risks charities from ineffective to effective far more important than boosting the income of said class of charities. This being the case showing that there is a potential supply of free money for any existential risk focussed charity that meets the standards multi considers important.
As well as influencing the world in the short term and satisfying his desire to signal and feel generous donating to Givewell effectively shows that multi is willing to put his money where is mouth is. He knows that if he wasn’t currently donating Eliezer would use that as another excuse to avoid the issue, since Eliezer has previously declared that to be his policy.
This is an effective signal. It sounds like multi considers changing the current standard of existential risks charities from ineffective to effective far more important than boosting the income of said class of charities. This being the case showing that there is a potential supply of free money for any existential risk focussed charity that meets the standards multi considers important.
As well as influencing the world in the short term and satisfying his desire to signal and feel generous donating to Givewell effectively shows that multi is willing to put his money where is mouth is. He knows that if he wasn’t currently donating Eliezer would use that as another excuse to avoid the issue, since Eliezer has previously declared that to be his policy.