1) There is no proof beyond the unfounded assertions of some random Western researcher that Alawis are now all of a sudden equivalent to mainstream Sunnis 2) If they were to fall into the umbrella of Twelver Shi'a then that would just be moving from apostasy to apostasy since whatever 'learned religious authority' of the Shi'a would accept their beliefs is a kaafir himself and so his opinion is worthless, like if a Jewish Rabbi were to assert that the Alawis are Muslims...