Not really. They deemed that the Confederates
couldn't retake Manassas, and refused to say if troops in the Valley counted, but their determination of troops lacking was based on the
Washington garrison itself being less than 30,000 strong.
Firstly - if Stanton found "mistakes", then cite those mistakes being pointed out
before 1st Corps was removed. It is my understanding that no such mistakes were found before 1st Corps was removed.
The issue of troops in the Valley being too far away to be effective was not used as part of the argument to remove 1st Corps, and nor should it have been. If the troops in the Valley are too far away,
then move them - McClellan left more than 25,000 men in the covering force, and if the problem is that it was decided that troops in the Valley don't count for the covering force, move them to Manassas.
As an aside, McClellan counted Blenker because that was where Blenker was going to be moved to, and because he had secured the option to retain Blenker unless Blenker was not needed. Also, it's not "19,000" troops not existing or double counted - instead, 7,780 men are double counted and troops who are
en route but have not yet arrived are counted where they will be once they have arrived; as those troops arrive, Blenker will be moved from Manassas to the Valley and then finally released to Fremont if the situation is secure without him.
Secondly, though - and the reason why I say that Lincoln was fooled - is what was subsequently done with those troops. There is no way whatsoever that Washington is more secure like this:
Actual configuration in May
View attachment 581984
Than like this:
McClellan's defence scheme, actual numbers, no new troops counted, no Blenker
View attachment 581985
(Note: this discounts all the new troops scheduled to arrive, some 9,000 of them, and also removes Blenker. It is the smallest possible amount under McClellan's scheme. Any smaller than this and you're not counting troops which were already present.)
So - what about the actual configuration as of May
meets the requirements, in a way that McClellan's defence scheme
does not?