This sounds like a ton of work to learn and by the end it sounds more like a curse than a super power. To be so above people in terms of social intelligence must be horrible. It sounds like the Author views interactions on a completely different level.
I dont have any offensive social strategy so its hard for me to dictate making friends but passively I do quite well by just projecting an authentic version of myself.
Blessing and a curse combined. With great power, great responsibility, etc. etc.
Like his wife bluntly telling him many women had crushes on him and it must be coming from something he was doing.
He could have went different directions with that information. And chose the direction that was best for his marriage.
It really depends on what you want to do with your life.
If you want to do engineering, or play music, or be a professional chef, you don't need these skills.
If you want to be in sales, or a working actor, or manage a high-end restaurant, or be a professional interviewer, then these skills become pretty important.