I would not be surprised if the poisoning was deliberate and carried out by Marcos opponents. Then again I understand all the reasons her opponents despise her. Not sayin that makes poisoning a bunch of folks O.K., just that I understand the feelings of her opponents.
(P.S. I have Philippino friends whose husband and father was either underground or in prison during the entire Marcos era - because he was known to not be a Marcos supporter. They had to come and live in the U.S. work and finish Junior High, Senior High and College until Cory Aquino came to power - when their husband and father was relaased from one of Marcos’ prisons.)
Am also witness to Marco dictatorship. Imelda was pompous. Revisionists there cast The Marcos family favorably. I knew and witnessed his grandeur and depravity. Gen Ver and Juan ponce Enrile were evil. The cronies were ruthless. No doubt someone spiked Imelda’s punch bowl.