The Director of the CBO said it would cause a disincentive to work. But that's not what Obama and Pelosi said, so it's probably why you're still confused.
[T]he ACA’s subsidies for health insurance will both stimulate demand for health care services and allow low-income households to redirect some of the funds that they would have spent on that care toward the purchase of other goods and services — thereby increasing overall demand. That increase in overall demand while the economy remains somewhat weak will induce some employers to hire more workers or to increase the hours of current employees during that period.
more jobs. Appendix C.
FOX confused? the cherry picking is killing you.