Comedian Seth MacFarlane is a Bernie Sanders supporter — but not unconditionally.

MacFarlane, perhaps best known as a voice actor and creator of “Family Guy,” gave an interview on the Jason Rantz Show, according to MyNorthwest. MacFarlane said he believes the Vermont senator’s supporters have been unfair to his rival, Hillary Clinton.

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“I actually am one of the people who has been a little disappointed at the way that, not necessarily the campaign, the supporters of the campaign have treated Hillary,” he told Rantz. “I think she’s been treated a little harshly by the left.”

He also talked about celebrities and their responsibility to use their platform to speak out on issues — or to remain silent if they do not have the education to do so.

“Look at vaccines, that’s a classic example to me of celebrity and where to use it,” he said. “You have a certain number of celebrities who have gone on record and done a lot of damage telling people not to get their kids vaccinated. And these are people who are not scientists themselves, that are not doctors, and have taken a stance that goes against the entirety of the medical and scientific communities throughout the world.”

He called it celebrity at “its most irresponsible,” and noted that Jenny McCarthy did a lot of damage with her anti-vaccine stance.

When asked by Rantz about Sanders supporters who push what he called “political correctness,” MacFarlane pointed to GOP front-runner Donald Trump and said he is the result of “bigotry gone wild.”

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“On the other hand, my side, the left, has gotten a little unreasonable when it comes to separating the trivial from the profound,” he said.

The left should get “bent out of shape” about legislation in North Carolina, where new anti-gay legislation in infringing on people’s rights.

MacFarlane cited Justine Sacco, a media relations executive who lost her job after being publicly shamed on Twitter for a poorly-worded tweet, as an example of the left getting it wrong.

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“She was destroyed based on something that she just tossed off,” MacFarlane said. “What the conservatives would argue, and I would agree with them in this instance, is that you may not like it, but it’s freedom of speech. You don’t destroy somebody for that. She was not infringing upon anyone’s rights. At the end of the day, the only person who got trampled on was her.”

He said the left needs to learn to “pick our battles.”

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“The problem is if we don’t pick our battles, then we look unreasonable,” he said. “And I think that’s part of where Trump has come from because we have not been able to separate things that are injustices from things that we’re just offended by. And it’s troubling.”