Pastors need to recruit and train people to pray effectively in behalf of others. That is the essence of intercession. This kind of prayer has great potential for blessing, but if abused, it can actually cause confusion. Some pastors have suffered negative experiences caused by intercessors in their church and as a result, are now slow to trust them. Likewise, some pastors don't develop their prayer partners into a team through communication, networking, and equipping.
Excessive control is poor compensation for lack of trust.
There has to be a better way for partnership to produce the right result. I have had others who never asked, who prayed their own agenda, who ambushed me with their prayers. While they claimed to be my ally, they were really interested in doing their own thing. This left me discouraged and eventually hurt the whole church. Fortunately, there is a Biblical protocol for how intercessors should partner with local pastors and apostolic teams.