Any deprivation or supersession of the count might impoverish, dispossess or ruin the vassals of the entire county; so that all, vassals or officials, small and great, feeling their danger, united their efforts, and lent each other mutual assistance against the permanent menace of an overweening monarchy.
Collation, which otherwise corresponds to institution, does not make the church full, and the true patron can dispossess the clerk at any time, unless he is a patron who collates.
In other words, the goal is to eventually dispossess them of their homeland and their capital, Jerusalem.