Leftists do not like libs. Many leftists believe that liberals contribute to setting up the breeding ground that fascists rise from. Many leftists believe that liberals partake in a system that even allows for fascism to rise.
I do not care to explain further. Research can be done, or perhaps someone else with a bit more energy than I right now can jump in :)
Please do not spread misinformation - we only make ourselves less credible when doing so.
US and Israel do that, not Iran.