Ido Portal is not an MMA trainer. He's a movement expert, and he's very fucking good at what he does. Whether his stuff is all that applicable to MMA is debatable, but I don't think it's debatable that he knows his shit. He's been training dancers and athletes for a long, long time. Travels the world to do so.
Edmund got lucky when Ronda walked in to his gym. She's built a name off of her Judo and armbars, something she had previous to training with Edmund. Edmund is purely a striking coach. Ronda has been working with him for years and her striking is still pretty much trash. Plus guys like Jake Ellenberger and Travis Browne have hardly made progress while training with him either. I often wonder just how good Ronda would be if she'd gone to train at Jackson's, Tristar, AKA, ATT etc instead some fucking boxing gym near her house.
Comparing Portal and Edmund is kind of apples and oranges... But Edmund is a dry, shitty orange.