This. Anyone who thinks that cancelling SLS would release funds for something else is delusional. Cancel it and the money is just gone.https://twitter.com/DJSnM/status/1157444612270592000 …
It's unfortunate but true. An upside to keeping SLS is that it maintains a certain budget for NASA which means if the focus eventually changes the budget should remain fairly consistent. Removing SLS entirely will significantly lower NASA's expected budget.