It is intended to deceive the enemy only long enough for the operational. If it does that then the Maskirovka was successful.
Russian doctrine specified that every operation have Maskirovka. It was a check box on their planning list. We learned to look behind whatever we saw them doing.
One of the biggest complaints the Russians had was that very few American officers had read their doctrine and even fewer felt compelled to follow it. To the Russians, doctrine was holy writ.
SpyNavy
Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)