It seems that he is very active and kind of giving frequent signals, but apart from the effective antivirus, is there any particular reason to believe that his views are any better than others? I am just asking, as I have not bothered to research much 
Hi, I think Cocacolas CEO is not a good adviser for soda drings.
McAfee is a big fish and a miner, the only thing he wants is profits and doesn't really care to give free advises to random internet people.
If you are a technology investor and not a newbie you know how to avoid people like mcafee or filter out what they say ...