A lot of the time, especially in political behaviour, people are likely to ignore the flaws of a leader or in some cases to somehow spin some bizarre positive angle.
For example, corruption of public finance being spun as "it is good because it shows how entrepreneurial the person is".
Even if not to that extent, this is an effect that is seen a lot, a strange kind of defence.
While many terms come to mind, rose tinted glasses, excusing, shifting the burden, none of these exactly describe the psychological phenomenon here.
What is the phenomenon called?