Nusayris (those that have had nothing to do with the crimes of the Al-Assad regimes for the past 50 + years) should be left alone and treated fairly as per common sense, human decency, Islamic traditions and Syrian and Arab traditions of hospitality and treatment.
However I don't want to hear fairytales from a certain sect and its members, that they are Muslim when they are not and don't consider themselves as Muslims and never had.
All scholars throughout Islamic history, from the beginning of that sect/cult (Started by Ibn Nusayr 1200 years ago), whether Sunni or Shia, considered them as Ghulat.
It was only due to politics that Musa Al-Sadr started/attempted to give them legitimacy among the Twelvers.
Since we are on a Pakistani forum, I suggest listening to this speech by Yasir Qadhi.
Almost everything relevant is explained in that video. Also how a deeply disliked, largely illiterate and violent community like the Nusayris came to rule Syria (courtesy of the French occupiers).