You know, I actually hope that they do.
There are only about 12 Jews living their delusional "Jewish life" in Sweden anyway. There is no Jewish future in Sweden.
There are other populations in Sweden that might have a problem with this.
Again, instead of banning practices of immigrants that you don't want, why not think of just not inviting certain groups of immigrants to your country? Why try to deprogram people, talk them out of, "re-educate" them, or legislate them out of their cultural practices?