It is one of the only country that make it illegal for jews to slaughter a cow to make it kosher.
Correct me if I'm wrong, but the piece by Dershowitz doesn't say anything about Kosher slaughtering. So there is no point in mix and matching different topics and trying to present it as a wholesome reality.
Now, mind you I'm not saying that there may not be double standards in some of Europe's countries when it comes to Kosher slaughter in the so called guise of humanitarianism towards animals, as their non Jewish majority population may practice real cruelty towards animals both in the food industry, or even in a prevalent leisure and sports culture (from hunting tourism, local hunting for sports, or even bull fighting). However, it is worth noting that even in Israel the Kosher institution has many foes. And no, it's not because these Jews are self hating, but it's because the Kashrut institutions are considered corrupt, old fashioned and just bad for business in general. An institution which needs to be phased out. Kosher slaughter specifically lost the image of a so called more humanitarian killing the more religious people tried to attach to it.
I am an Israeli Jew. Jewish by culture, and an atheist by religion. I don't need the Kosher institutions. For Israelis like me they are a liability. They kill the businesses me and many other locals tend to like and they limit our options when we go food shopping.
Now it's worth noting, that I understand that in a Jewish state there is a desire to keep Jewish dietary practices privileged to a degree. But that degree is the point in which the Kosher eating population has free access to Kosher food, once it means that I have limited options as a result because of that conservative population my democratic rights are being violated by someone else's monopoly.
In the city I live in, which is close to Tel Aviv (in itself a bastion for Non Kosher cuisine), this battles rages on daily basis as successful restaurants which offer non Kosher food (including pork and sea food) draw crowds of people, but at the same time big local chains who offer non Kosher food get closed because of pressure from the orthodox community.
So if the battle has not been decided in Israel, the Jewish state. Don't be so quick to judge the motives of other nations. And again, I don't count that their motives are 100% pure.