Once we understand the core behind Gospel Spiritual Songs is lamentation, perhaps we would not be so quick to frown what goes on in their churches.
To some, this is the only safe place for them to feel happy, even for a couple of hours. Where would you like them to be happy? In a bar, in the sport's field? What better place for them to have it but in an inspirational environment where the promises of God are talked about and pass around.
I get you, and I understand - and I say, may God bless you.