Personally, I don't feel like having a higher skill at bullshitting and persuading people that is utterly unrelated to the job should get you paid more for the

Personally, I don't feel like having a higher skill at bullshitting and persuading people that is utterly unrelated to the job should get you paid more for the same work. (If the job is sales, then negotiating for higher pay could just be part of proving your skill, of course.)