The whole point of blockchain is to track and control humanity and it doesn't take a rocket scientist or even John McAfee to point it out. It's as blatantly obvious as it can get. If people can't see that already, they are hopelessly ignorant of the facts. I recommend having a read of my previous post making this abundantly clear.

If you want to understand what kind of person McAfee is, just have a read below:

https://www.vice.com/en_us/article/kwn5yy/john-mcafee-bath-salts-belize-murder-fugitive-gregory-faull

http://www.dailymail.co.uk/news/article-4500686/John-McAfee-s-wife-opens-life-prostitute.html

https://www.theinquirer.net/inquirer/news/3023972/mcafee-admits-ive-paid-for-hookers-and-drugs-with-crypto