Where’s Miss Piggy? Oops, It’s Israel.
The article goes on to describe Shalom Sesame, starring Grover, which is filming in Israel. What is annoying is that Miss Piggy should feel safer in Israel because no one would try to eat her. And which pigs are non-kosher, that doesn't mean that seeing a puppet pig is somehow objectionable.
But more than that. Why should we think Miss Piggy would appear in this? She is a Muppet! The muppets and the cast of Sesame Street are entirely different, with only occasional crossovers, such as Kermit The Frog, who appeared for Sesame Street News. The premise of the joke is thus flawed.