The most radical Republicans have voted to paralyze the processing of some bills. They have voted on the same side as the Democrats and that has meant paralyzing activity.
What are normally routine votes have suddenly become major political battles. The current plan of the radical congressmen is not only a rhetorical exercise, but may imply serious consequences for the approval of the budget items for next year. McCarthy may be forced to choose between fulfilling the agreement with Biden or repairing the relationship with his own, and risk a shutdown of the federal government's activity.