Disconnection practice in Scientology

Some text I’ve just added to WikiPedia (apart from the first paragraph, ref. 2 and the paragraph that cites it):
Antagonists to the Church of Scientology are declared by the church to be “antisocial personalities“, Potential Trouble Sources (PTS), or Suppressive Persons (SPs). The Church of Scientology teaches that association with such persons impedes one’s progress [...]