If one can establish that this is the power of the President, I would be inclined to oppose the legislation on the grounds that it is unconstitutional.
Whilst depriving the executive of authority should be a concern, I don't see us as having moved one direction or the other, certainly not enough to be concerned about the President being impotent constitutionally. That is not the case, as he can veto legislation, he can command the armed forces and has several express powers granted him under the Constitution. On top of all he has a vast ability and public medium through which to lead and guide the nation either in support of a policy agenda, reform proposal or both. Just because we have not seen this occur in the past few months under the Pax Eborecum (slight modification to the Latin here
I apologize to all the fair sons and daughters of York), doesn't mean they don't exist.