The Rebbe thanks for the good news about the writer’s daughter and firmly rejects the claim that Hashem is content with a limited number of devoted individuals. He stresses that every Jew is essential to the Divine plan, and discourages engaging with those who promote divisive views. Instead, he urges even greater efforts in spreading Chassidus.
https://www.torahrecordings.com/rebbe/igroskodesh/015/009/5423