Well, didn't Trump try to start his own TV station once before and no one watched it (what a shock)? This new attempt ay be no more successful than his earlier one or some of his other businesses. He's only doing this because FOX News stopped kissing his rear port.
He hadn't been President before. This is likely to annoy King Rupert far more than anything else he could have done, it will actually be quite amusing watching the two obscenely rich old beezers battling it out for their share of a dwindling market.
I don't watch FOX and I certainly won't be watching anything that Trump gins up. I can't even stand to see Trump's face on the news, social media or anywhere else for that matter.