"How are the Methodists anti-Israel?"
Here are a couple of examples: The Methodists are the largest financial supporters of the National Council of Churches and NCC is not a supporter of Israel.
The Methodists are members of the World Council of Churches and the WCC has issued a divestment from Israel policy.
You might also direct that inquiry to the UMC home page, go to topics, select one and then look at the official position of the UMC.
Here is one:
http://archives.umc.org/interior_print.asp?ptid=4&mid=6855
They have lost their minds.