The DM asked a player to leave a campaign I was playing in, after talking to the rest of us. We had a steady weekly game, and a year+ into play that player started running a game every other week - on the same night. It was because he wanted to get his wife back into the game and that was the only night she was available, but that meant both him and his adult son who was also part of our game were gone every other week. That swing of two players was too much, and when we couldn't find a day to move our game to we asked him to drop out of that game. He then completely severed contact with everyone in the group, sad as he was a fun guy.