A well known actor like Jim Carrey must also face a lot of emotional turmoil from having to "Be" something he isn't. For example people expecting him to be funny or put faces when he is actually a very serious guy in real life but most people have a hard time separating the real actor from their character. .
Jim Carrey draws Trump cartoons because 'I can't just watch this nightmare unfold'. Jim Carrey talked about his caricatures of President Trump and his political allies during a Monday Television Critics Association panel for his new Showtime comedy, 'Kidding.' Source 6u.
I still think some of these celebrities are getting way too involved in politics and still hoping to cause people to follow them instead of making their own decisions in life. To hear Carey say that our president is like a nightmare just shows you how these celebrities hope to sway others.