Does that invalidate the entire argument presented? ... there are certainly advantages for both cabbie and client (otherwise it wouldn't catch on). The problem

Does that invalidate the entire argument presented? ... there are certainly advantages for both cabbie and client (otherwise it wouldn't catch on). The problem is 'new stuff' being run like the 'old stuff'. It's half the revolution - the old half will eventually cause the problems (monopolies, ruthless biz practices).