The kosher laws were given only to Israel for the express purpose of separating her from other countries. And it has worked well. Jews have maintained their identity despite having been exiled and scattered for almost 2000 years.
The kosher laws were given only to Israel for the express...
Really? Where in the law does it say this? Does this mean the rest of the laws laid down by God in Exodus don't apply to others? Like the 10 commandments? Maybe you have a checklist we can consult?