BritBox boss Will Harrison also pointed out that Thunberg had liked the picture of her puppet on Twitter after it was revealed last week.
“It’s a very straightforward joke and is nothing to do with her as an individual,” Sakaan told the Broadcasting Press Guild.
Explaining that there was “no fun” in only targeting the right, Law said: “There’s lots of ammunition to throw at the other side as well.
However, after an image of Thunberg’s puppet was released, many critics argued that it was unfair to mock the climate activist, who is 17 years old and has autism.