There’s a very simple explanation.
Melania Trump, perhaps the most private first lady in modern history, has retreated more and more from the spotlight since departing Washington last January.
…She views her husband’s continued impact on the GOP landscape as his job, not hers. “You’re not going to see her at rallies or campaign events, even if he ‘officially’ says he’s running again,” said another person aware of the disinterest Trump has shown in supporting the former President.
Lack of interest, not disinterest.
… Read the rest…so often was the answer “no” when Trump was asked by then-candidate Donald Trump’s staff to appear at events that eventually, “We just stopped asking altogether,” said a political operative who worked on team Trump in