It's not false. SOME tend to dislike Christians. Just like SOME Christians tend to dislike Jews. Who knows WHY but facts are facts. People are fallible and can be quite stupid at times!
I "get this" from personally knowing a number of Russian Orthodox CLERGY whom have been physically shoved, SPAT upon and cursed at by Ultra-Orthodox Jews (my brother included). It has happened to people I know in Jerusalem and in NYC.
FYI: My brother is a Russian Orthodox preist...not an Orthodox Jew.
There are nuts in every group.
Lumping the "ultra-orthodox" together as a group is about as valid as sticking the God-hates-fags-and-soldiers preacher together with typical Southern Baptist.
Lots of variation on a them and virulent disagreement.
All that said, generally speaking, there is an increased movement among the "mainstream" orthodox to get the goyim to live according to the 7 laws of Noah, and assinine behavior such as which you speak would be counter-productive.
Well, then what you're saying is not 'factual' - it's hearsay. But thanks for the post.