Universal Music/Tik Tok Update

Hello! 

As I was scrolling through my FYP last night, I came upon a Tik Tok mentioning that Universal Music will be pulling all of there artist’s music from the app. Was wondering about a few things after hearing this: 

1. How is this going to affect the videos that are already published on the platform with a sound that involves these artists? Will the audio be removed? 
2. How are other companies going about this if audio is removed? Would it be best to republish some of that video with a new audio, or will the algorithm work against us? 

Thanks all!