We started a charity to alleviate wild fish suffering. We spent $30k trying to contact fish farmers via email. This didn't work, so we gave up. We consider the project a success.
The "malaria nets" side of it has done legitimate good, because they didn't try to reinvent the wheel from scratch, stuck to actual science and existing, well performing charitable organisations.
global poverty still gets a good portion of the EA funding, but is slowly falling out of the movement because it's boring to discuss and you can't make any dubiously effective startups out of it.