undue insistence on interior initiative in the spiritual life, as leading to disobedience
attacks on religious vows, and disparagement of the value of religious orders in the modern world
minimizing Catholic doctrine
minimizing the importance of spiritual direction.
Though this might be of special interest to those here, especially given how it’s so…well, backwards from what we do.
Joseph Moore just put up an article musing on the subject, Americanism: the Heresy, and Accidental Research,which is quite worth reading.
Go read the rest. Even if he did use Wikipedia.