That is a bit like asking what you need source code for after having compiled the binary program. Just like you have new versions of a program building on chan

That is a bit like asking what you need source code for after having compiled the binary program. Just like you have new versions of a program building on changes to source code, you can run newer and improved analysis on the scientific data (whether to see if you get the same result, a new additional insight or whatever). Journal papers are often no better than having the binary (or perhaps more accurately the stdout dump of running the binary...)