Migrant workers came over with a worker VISA. Once the VISA expires they are expected to go back home. This is no different than any other country. There is no moral problem here. It doesn't make sense for Israel to bestow citizenship on anyone who walks through the door. Temporary VISAs should not be translated to permanent VISAs without a very good reason.
Bennett, Deri expected to resign from Knesset, remain in cabinet under new 'Norwegian Law’ (Haaretz)
from the article: Barak appeals to PM: Don't deport migrant workers' children