Martina has a unique and superb voice and Trisha is just so average. Many, many vocalists are superior and she is limited to country. Martina is superb. Much bigger range and stronger and richer tone.
But on the Food Network, Trisha has a good show and is funny. They tried a show with Martina but it was boring and did not work.
The only guy on Food Network who may not be a flaming lib is Guy Fieri. On his Diners, Drive-Ins and Dives show, he has hung out with guys like Kid Rock and Ted Nugent.