The Montrealer overnight schedule actually worked pretty well in providing overnight service between Burlington (Essex Jct), Montpelier, and the NEC destinations. So there could be reason for Vermont to give at least some support for it. Of course, the current Vermonter daytime schedule provides better intrastate service, so I would think that having both trains would be best. If they want to make a day train to Montreal, having the Vermonter leave a little earlier would help ensure that it reaches the final destination before 10 PM.