@ujm When Rav Shach made his statements against Chabad, he was speaking as his role of Gadol HaDor and merely voicing what the opinion of his peers was.
@Menachem-Shmei Yeah, I’m going to go with what @Neville-Chaim-Berlin is saying. You’ve already admitted to multiple beliefs that the rest of Klal Yisroel holds of as (at the very least) tipshus with a heavy apikorsus flavor. I’m not going to press the issue if there are Lubavitchers that literally pray to something other than Hashem, since I think at this point the issue is moot.