"As the wife of a former youth minister, let me just say that thinking Christ is "uncool" (or Christians are uncool) can keep people out of heaven."
Oh ye of little faith in the power of God's Holy Spirit!
God's elect will be saved. Period.
So they might as well stand around and do nothing, after all they'll end up in the same heaven as if they lived a passionate life on earth, daring to "pollute" the world with gospel.
This is a pretty ludicrously one sided view.
Whether they worship with electric "geetars" or pipe organs or in silence.
Now, please give it a rest. Unless you're God and know someone's heart you aren't fit to judge how anyone worships.