Factcheck acknowledges the FEC problem as noted in the quote, they also seem to believe that the SEC documents do not rise to the level given. As again noted in the quote, and I would think they would include non involvement as they make quite clear the evidence is not enough, mind you, you are suggesting that the lawyers and skilled members of FactCheck did not consider this. Furthermore they do not need to post indepth run down on every conspiracy theory spawned from this, the article is meant as a run down. Unless you want to become a mindreader or provide proof stating otherwise, you have no where left to go.
Not enough to settle questions, something you surely should know.
It is a known political fact that people tune out the elections during the summer, I am surprised you do not know this. It is typical for people to focus on vacations or relaxing than paying heavy attention to the daily ins and outs of political races. So far you have provided no proof to the contray, infact your proof seems to back me up as even though there has been millions upon millions of dollars of negative material launched at Romney from the Obama Campaign, it has not even made a dent.
If we look at the polling from the same organization, we will find that their last in April the two were tied, now Romney is ahead by one, you will find poll after poll reflecting the same thing. Advertising during Summer Months just does not move the needle or people are tuning Obama out, take your pick.
Again you ignore that the Primary Battle focused less on Obama and more on the candidates tearing each other down, with a split Republican party you are likely to have those that favor one candidate see another in a negative light ( same goes with independents who are tuning in ), furthermore since Obama is already a known commodity, unlike say Romney, one would say his trustworthiness was already baked in. Here is some free advice, fine some polling from the last few weeks, do not rely on polling from such large parts between eachother, as I am only making you look even more foolish.
Unfavorables Yes, Favorables No. Obama's Unfavorables have dropped rapidly through out the last few months. For example in April Obama's Favorables were at 42, with 45 Unfavorable, a -3 percent difference. Between then and now, that number has dropped to a -12 percent difference. And unlike your poll, the only two things that have largely changed between then and now, is a drop in the economy, and a increase in Obama going negative. And while as I have stated people tend to tune out ads and attacks during the summer, Obama's negativity in and of itself is pretty well known by now, something that could potentially hit his ratings.
Except of those that care of the issue, not all are uniformly see it as a unfavorable thing. Note that 14% see Romney's experience at Bain as a plus, only 23% see it as a negative, thus the attacks right now have only effected a total of 23% of the populous, one has to wonder how many of those are part of the Democratic Party already.