I think the apology was appropriate and restrained.
We loved it, but probably not good taste during a presidential address, even one by this fraud.
Wilson was using O’s favorite mentor, Saul Alinsky:
Rule 8: KEEP THE PRESSURE ON. Use different tactics and actions and use all events of the period for your purpose. “The major premise for tactics is the development of operations that will maintain a constant pressure upon the opposition. It is this that will cause the opposition to react to your advantage.”