Why did Ann Coulter say this about Liz Cheney? What was the motive? Does she believe it? or just a slap?

Liz Cheney

This (below) is double lifted — it is GretaWire lifting from Politico lifting from Hannity where Ann Coulter made these remarks about Liz Cheney:

“Why should we be having — and I love Liz Cheney— but why should we be having a rancorous primary against a good Republican senator other than for Liz Cheney’s ego?” Coulter said.