Look at Page 14 of the Delegate Guide under the heading "Registration and Credentials":
A PHOTO ID WILL BE REQUIRED TO ENTER THE MASSMUTUAL CENTER
This was a general requirement for anyone who wanted to enter the MassMutual Center and therefore be able to cast their vote at the convention.
But, it seems you will continue to talk around this issue as much as you can to avoid the obvious need to pull the plank out of your own eye while you go on complaining about the speck in your neighbor's eye. Unfortunately, Decomposed's assessment appears to be all too correct.