Proving That Kakahsi Has EMS
According to EMS theory, Kakashi has EMS currently. Before I prove it, I want to make sure everyone knows I am well aware that those who are bashing Kakashi are butthurt Sasuke fans who feel their character has been fodderized. Anyway, this is for those who want to hear the truth.
According to Itachi - the only MS doctor - once the MS is activated, a slow descent into the darkness starts, meaning it start to lose its light. Now, Itachi also mentioned that when someone MS is transfered into someone else who is compatible, that pair of eyes will recieved new light becoming EMS.
To my knowledge, and for logic sake, there is no intel from the manga that state that the new host is adding any MS power. In fact, Madara was blind, and Sasuke was almost blind as well. This means they lost their MS power or almost.
Now, Kakashi received Obito's eyes, and from what Itachi said, Obito's eyes power will received a new light. This mean Kakashi has a brand new EMS.
Deal with it. The only difference here is that Kakashi is smarter and more proficient with Sharingan than Sasuke. Thus, Kakashi does not need timeskip to be used to the eye. In fact, there is only one person who received the suffix "of the sharingan" in the managa. It is Kakashi of the Sharingan. See, Kishi is not dumb. he planned everything.