He wanted him ten days ago and now he doesn’t.
It's actually a sign of good leadership to rip off the band-aid and make the change quickly. I can think of weaker presidents who would be paralyzed under the same circumstances and be afraid to act quickly out of fear of what their critics and the media would say.
<< “ He wanted him ten days ago and now he doesnt. “ >>
Cause and effect.
Ten days ago Scaramucci was “smooth and articulate” and wanted.
Shortly thereafter he was worse than anything but, and promptly became unwanted.