However, people who don't like Israel's behavior are going to wonder if certain Jewish companies are promoting Israel or not. Thus, some Jewish owners may in the future try to say they don't support any state and what not to protect their financial interests. People don't want to lose business. I think boycotting all Jewish business is definitely racist. as you said.
Police disperse hundreds in brawl in Kafr Manda, northern Israel (Haaretz)