“How dare you write they “were mistaken in their novel ideologies”
Easy. We can have great respect for the daas torah of rabbonim from a wide range of hashkafos and can simultaneously disagree with the path they prescribe for their chassidim relative to the path we follow based on guidance from our own Rav. If you follow a Litvish hashkafah or even a Chassid from a different Chassidus, you don’t need to run to the Ohel to beg mechilah if you don’t agree with certain Chabad practices.