EA has many tenets, some of make sense per se, but collectively–particulalry when taking into account that EA isn't just an idea but a movement of people with a distinct culture and track record–probably do more harm than good.
Well, for one, the frequency of its members committing mass fraud.
Like, if a church preaches kindness and love but its preachers and members are constantly out there murdering people, it's a bit silly to point to the text alone when evaluating the organisation.
Like, if a church had 100,000 members, you would indeed expect them to commit a few murders each year. And GiveWell alone claims to have induced 150,000 people to donate... https://www.givewell.org/default/citations#Number_of_donors