People who don't really support the BDS campaign twisted what he said to try to paint him and the BDS campaign as anti-semitic. Example: see Snert above.
I think Ryan is overexcited and a little too zealous, but nowhere have I tried to suggest that he (or a sensible boycott/divestment campaign) are anti-semitic.
I'm afraid your imagination is running away with you. Maybe you need to take a break? Clear your head? Or just learn to read, maybe?