I doubt it's provably true or false, as psychology tends to be.
Largely I agree with the OP though - treat your customers bad enough and unless there's something stopping them, they'll go elsewhere. That's how the free market works.
Largely I agree with the OP though - treat your customers bad enough and unless there's something stopping them, they'll go elsewhere. That's how the free market works.
Be it due to fashion, social pressure, brand recognition, cultural norms, et cetera and so forth.