Google Stadia games needs to be customized for Stadia. For how long will developers continue to make Stadia versions of their games? What will happen to the se

Google Stadia games needs to be customized for Stadia. For how long will developers continue to make Stadia versions of their games? What will happen to the service when the people first involved have moved on and they have trouble finding engineers wanting to work on something that's not brand new? Wasn't that why they cancelled Reader?