I swear they are making stw less playable intentionally so that they get minimal backlash when they cut the mode completely
I do want to note that this change is not intentional and it is being investigated closely. We can get a trello card up for it soon, so it can be followed by everyone.
Edit for trello card: https://trello.com/c/JWjSYtZq/2002-stw-default-lobby-track-is-not-playing-anymore