Forgive me Curtains If you felt I was demeaning. I find the Bible very deep and needs a lot study. In many ways you and I agree especially with looking at the greek interlinear for clarification.
Ministry isn't a ritual it is work/a job for witnesses since it is simply viewed as spiritual work for Jehovah and his son Jesus. Work however repetitve has definite goals. For witnesses "first call" (where witnesses knock on doors) is only a small part of the ministry which includes return visits, bible studies with the interested persons, informal witnessing, street witnessing it is all geared towards spreading God's word and seeking interested ones.
Evangelising with the goal of finding interested people has never been classed as a ritual for any religion. I see a lot of Atheists now evangelising for their belief.
The problem with godrulz explanation of "speaking in tongues" is that it is read into the bible and the scriptures that directly contradadict that viewpoint are ignored Acts 2:11. I can see how Pentacostals came to their particular belief on "tongues" by carefully proof texting certain scriptures and taking them out of there biblical context/explanation and using them as stand alone scriptures.
Are "tongues" unintelligible words that only God can understand? no in Acts 2 the only event describing "tongues" shown in action. They are shown to be in the known languages of the people visiting Jerusalem and the people understood what was being said to them. That is the boundary that any understanding about "tongues" has to be set within. You can't then contradict this or ignore it for your own exegesis.
The diversity of "Tongues" understanding and usage within the pentacostal church itself shows a lack of constancy and correctness in their understanding on the subject.
Why would any bible-based religion want to keep the mystery? For me that is a sign of fakery and manipulation. By comparison Witnesses are found to be very blunt and straight forward. Our meetings completely lacking the elaborate rituals and shows, stimulating loud music. all designed to manipulate emotions and senses. I think pentacostals among other charasmatic groups are very much geared towards this type of stimulation for the audience. In that sort of atmosphere people are very susceptable to suggestion.