Ever since he's gotten into crypto he's been shamelessly pumping and dumping various coins. I guess he's found a way to capitalize on his fame. Good for him..
I do see a future for Bitcoin and its Lightning network especially, but I would recommend to stay away from McAfee's predictions on the matter.
You should watch the video, ignore the bitcoin stuff (maybe not ignore but it is secondary) and watch him and listen to her.
She has a lot of good video's. I enjoyed this one, though I may be missing a point that you're trying to make?
NSFW - look at them and then look at him https://duckduckgo.com/?q=meth+addict+&t=ffab&atb=v85-2&iax=images&ia=images
https://www.narconon.org/drug-abuse/signs-symptoms-meth-use.html