The original jews who were from bani Israel are good. it is over time however they have gone bad. To sit here and say ALL Jews are bad is wrong, as there are good and bad Jews just as there are good and bad Muslims. When revelations were first revealed to the Prophet PBUH, the Jews were already waiting for him to come. It's in their scripture that another prophet will come. In those days, there were different tribes and such, and they didn't always get along. The prophet Mohammed PBUH was from the tribe Quraish, and despite the jews knowing he was the prophet, still rejected him. They had a test of three questions to see if he was in fact the prophet, and he not only answered each question correctly, but gave them extra details to every question.
Yes jews are considered ahl al kitab, and in all honesty i think the main hatred towards jews comes from stories and history with them. The destructions happening in Palestine (or Israel) is something we simply can't take light-heartedly, the same way there are people hating Muslims because of ISIS and whatnot. As muslims we also know that in the future there will be a huge war between jews and muslims, and every thing will assist the muslims in helping find the jews (trees, rocks etc) except for one particular tree (i have forgotten its name though) which will not reveal where the jews are hiding and apparently in Palestine/Israel, the jews are planting this particular tree, which means they too know this war is approaching.
i hope this partly answers your question without causing much dispute.