There is a huge difference between criticism - welcome observations by concerned friends and destructive bashing. The organisations concerned mostly occupy themselves with the latter. The question remains, why are left wing groups uncritical of organisations inimical to the future of Israel? Do they really think they will be allowed any voice at all if what the organisations are seeking really happens? .
Three minors arrested in Jaffa for throwing rocks at a bus; no injuries reported (Haaretz)