Fwiw, my depression and anxiety is mediumish to severe at times, but I wouldnt consider them alone (in my case) to be disabling.
If there is a concern that people with mental illness don't want to raise awareness, then maybe narrow the field to those invisible physical disabilities?
The difficulty is, not all people with mental illnesses are going to feel the same way about this.
Personally, I find mine debilitating. Even from people who know about it and understand what's going on. The unwritten expectation is that I must never mention it, must certainly never joke about it, and now I'm on medication, I'm completely fine. I had to actually shout at my Aunt to stop her from pushing alcohol onto me at a party. I'd politely declined three times. That ought to be enough. In the end snapping 'I'm sorry, but I'm on a cocktail of heavy medication just to stay upright at the moment, and I don't think that mixing them with alcohol is a good idea!' was unfortunately necessary. (We both apologised to each other.)
In reality, I'm struggling with side effects, can't stay up past 9, often can't go out (never on a weekday evening, and only if I've got a full day to recover the next day). I'm still too anxious to take my children to the park, and the idea of taking them to the cinema is horrifying (Hell, I can barely get myself there being looked after by DH!) I can't manage parties and noise. I have to take valium to get through a Christmas concert. I don't have what I'd consider to be a full and active adult life.
That's me 'well'. Well, obviously it's not me as I used to be when I could do all of that stuff, but at the moment, that's as good as it gets. Don't get me wrong - I'm incredibly grateful for the drugs, and I'm a million times better than what I was. But I'm not 'fine' by a long shot.
Like many of you others, I don't know how I'll be from one day to the next. Hopefully mostly OK. If I'm not, I'm not. There's sod all I can do about it either way.
I'm not saying it necessarily that mental illnesses should be included here - there's actually quite a lot of mental health awareness going on anyway, and I think things are getting better on that front. We have strong, prominent spokes-people and brains are considered interesting.
I'm just saying; not all mental health patients think as one.