depends on who has the money , if young people have the ready cash available then it will keep going but if the scene just keeps relying on older peoples money then it may slow down.
it depends on how the scene wants to go , if younger collectors djs etc are encouraged then they will be interested in buying vinyl , if its just the same older crowd then the young people will not spend their money and wait till the older people on the scene sell up or pass on and then they will be able to start buying as the tunes become available