Limor Livnat is correct. Much damage has already been done. And Meretz',Peace Now's and other similar actions have been read by Syrian MI as demonstrating Israeli civil division and as an invitation to continue arms transfer to Hezbollah.
Justice Ministry: Information examined by AG about Gal Hirsch didn't come from police (Haaretz)
from the article: Netanyahu: State should not fund any theater that boycotts Ariel