“His loshon made me think he was actually more enthusiastic than he let on.” (Weiser)

“The new bochur has gevaltike kishroinos, but it's poshut not shayach for him to hear Rebbe's lomdus in shiur until he can chap the yeshivishe loshon.” (Weiser)

"Additionally, (and it shouldn’t be that it has to come to this, as the RaMBa”M is extremely clear in his loshon that once a person passes away they cannot be moshiach, including after a techiya,) the Rebbe ZY”A in his works about moshiach never implies that moshiach will be from those that passed away." (source)