@rhys seems times have changed. I remember when making fun of a politicians' appearance during a campaign actually offended voters. In Canada, the governing PC party ran an ad mocking the Liberal leader's facial palsy. The voter backlash helped turn a mere defeat into the total destruction of the PCs.
https://en.m.wikipedia.org/wiki/1993_Chr%C3%A9tien_attack_ad
In the US, in the era of Trump, it seems to have become standard practice. This makes me sad.