Why discriminate against diabetes. Of the things listed, this is probably the most common one & a lifestyle disease. This can have a onset in mid-40s to 50s for some genetically predisposed people. Are they not allowed to fly then?
I think they are trying to cut out those people who, when they don't get their meds, literally pass out.
Because the diagnosis doesn't specify a severity, all they can do is deny all diabetics.
I don't think, under the current way that diabetes is diagnosed, that these rules are especially unfair.
Also funny sidenote where I live: if you got type 1 diabetes before getting your license you are legally bound to report it, if you got if after getting your license you have to make your own assesment if you should report it (my not legal advice: never do that, it shortened the license from 10 to 5 or 3 years and puts you though whatever the approving person wants to put you though which can be extensive)