but he did have that weird squirty hospital gown thingy.

Actually I think Holdo got it bad too. IRL, neither plan was mutually exclusive. If she had supported it, they could have used a rebellion-sanctioned slicer rather than relying on some underworld villain… (or you know, sending somebody with enough sense to follow parking regulations while they were trying to be discrete. which wouldn’t have necessitated trusting the double crossing douche.)