Bastiat was a so-called right-wing libertarian in all but name only. Rothbard borrowed very liberally from Bastiat (no pun intended).

I don't recall reading anything like state provided welfare in Justice and Fraternity. It has been a very long time since I've read it, but that sounds antithetical to some of his other writings which I've re-read more recently. I would be curious to see the specific passage.

To my knowledge, communal arrangements (like Dejacque seemingly favors) have not proven practical outside of relatively small communities.