I think it's designed for election day when illegal or not it's too late to do anything about. I think somebody in the Republican Party screwed up and put it out too early.
"When is a Disclaimer Required?
Political committees must include a disclaimer on (1) all "public communications" (defined below), (2) bulk electronic email (defined as electronic mail with more than 500 substantially similar communications) and (3) web sites available to the general public, regardless of whether the communication expressly advocates the election or defeat of a clearly identified candidate, or solicits funds in connection with a federal election (i.e., contributions for a federal candidate or federal political committee). 2
Individuals and Other Persons
A disclaimer must appear on any 'electioneering communication' (defined below) and on any public communication by any person that expressly advocates the election or defeat of a clearly identified candidate or solicits funds in connection with a federal election."