He blames his past postings on mental illness. OK, so what assurances does the public have that it does not relapse? Is it not a legitimate issue that, perhaps, a position of office is not the best thing for this particular person to hold?

I mean, he has a right to run. But that doesn’t mean anyone owes him a vote. Transparency here is justifiable in educating people about the candidates. People running for office cannot complain that their life becomes public as a result.