It definitely means that, as a general rule, dogs bite people. It might not mean all dogs, but it's definitely a warning against dogs in general. Now, transpos

It definitely means that, as a general rule, dogs bite people. It might not mean all dogs, but it's definitely a warning against dogs in general. Now, transpose this to human beings. The message we're commenting is a warning against Jewish Communities, i.e. I can't think of any reasonable way to interpret it other than as antisemitism.