I'm sorry Jeff that you have had a negative experience at church, especially since you enjoyed your first Memorial so much! Unfortunately, when the Bible speaks about being wary of false teachers creeping into the church, it is addressing the reality that this can happen in any situation, not just the Witnesses. I have heard of 4 or 5 churches that have turned into high control cults (met former members that have left or been kicked out), and no doubt this is a danger anytime when Christians check their brains at the door! I also have attended churches where the pastors were leaning in a dangerous way over time. Just because a church is independent, doesn't mean it can't fall victim to the same type of cultic thinking that plagues the well-organized and well-known "major cults." It usuall causes major division and heartbreak among the church members, and I am convinced that it is a type of spiritual warfare or attack against Christ's Body.
Of course, the dilemna is that the Bible does say that the congregation has shepherds, who are there to help lead the sheep. So how much authority should those shepherds have? This is a hot topic among congregations. How is the church leadership team to be organized--should it be run from the top down, or from the congregation up? Or somewhere in the middle? Where are the checks and balances to ensure that spiritual abuse is not taking place? How do we ensure that the deacons or elders aren't just being the pastor's "yes men"?
As far as your experience goes, shame on them for not previewing the video to ensure that it teaches what the church believes or supports! I hope that someone will speak up and remind them of their responsibility in this matter. Jeff, if you get a chance, express your concerns by phone or in a letter. You will be doing the other members of the church a service!
In the meantime, don't give up your search. We do need fellowship, support, teaching, and corporate worship. Keep reading and studying the Scriptures yourself, so that you can rightly divide the Word of God.