Well, POLITICO reports that the widow of the late GOP U.S. Representative Bill Young Beverly Young sent a notice to those who are not welcome at the memorial. They include former Florida Governor Charlie Crist. Here you can read the article.
Actually, those from political-machine towns like Jersey City, New Jersey always knew what "This Town" confirms: Funerals are use-it-or-lose it situations. If you don't attend them, then you miss out forever on bonding with those who could help you. If you do, you can emerge a player. That's depending on who you gain access to, amid the heavy odor of flowers and long faces.
The ambitious I grew up with in downtown Jersey City would jump into THE JERSEY JOURNAL daily, checking the Obit page. If they were lucky they would wind up with several wakes to attend that week. Should things go well at the wake, then they would be encouraged to take the next step and go to the funeral. Often, it was worth taking the morning off from work for that.