I'm seeing this one as a different programme so of course the host matters. The standard of host sets the standard for the rest of the show i think. If they have someone like Kate Walsh or an annoying z lister then the rest of the show is all going to be the same. If they have a competent presenter like Emma Willis or Caroline Flack then maybe they're taking it a bit more seriously.
They should get worlds sexiest grandma to present it. The one and only Stephanie Beacham