are you calling r&b the worst genre or the current mainstream r&b acts the worst?
R&B is only suffering due to music biz politics & the corporate bottom line
I'm saying the current gen of mainstream RnB where singers are basically rappers, is horrible. The other eras are

The production also fell off. No more rich instrumentation, basically it's technotronic or whatever sound that's popping in rap. Others already mentioned how no one can even SING anymore