They have to pay the fees regardless, since no TV would sell if it didn't have an HDMI port. So unless the TV manufacturers can also convince set-top box makers, game console manufacturers, Blu-Ray makers etc to include DisplayPort, they'll need to continue including an HDMI port.
So this needs to be an industry-wide switch, not just TV makers.
So this needs to be an industry-wide switch, not just TV makers.