It depends, some of the richest persons in the world are not there because of the world of finance, they created a product or a service that made them rich, so it is not like they are experts wall street sharks, so while some may be interested, I will bet there are some that are oblivious to bitcoin and don’t even know what it is.

Maybe it's because too busy With their lives 

i think this is good thing, maybe with the richest families using bitcoin , bitcoin be came legal payment and more advanced..

Yeah there is no difference for bitcoin if it is being used by the rich people or poor people because they are all fair for bitcoin and the only advantage that the rich people can get if they get into bitcoin is they will get a higher amount of bitcoin because they got more money compare to the poor people but overall they are all bitcoin user.

Probably because they already consider themselves rich so they do not use bitcoin but they have a business so from the busy business that they are not aware of any technological developments that can invest in it.

makes you think doesnt it.. would be cool if Warren Buffet was secretly accumulating bitcoins  

Bitcoin is the currency of cryptocurrency which is currently very high prices soared,
I think richest families will be interested using bitcoins,
anyone who participates in bitcoins it is a good thing for everyone,
bitcoin is it's the best and i am very like.

"Smart" people who invested in real estate now realize it is in a bubble and near the top, so they sell their homes and look for the next bubble to park their money. Yes Bitcoin is currently in a bubble. Nothing should have its price rise this fast unless the world is coming to an end. What you are seeing now is the madness of crowds. They don't know a thing about Bitcoin or crypto currencies but they are after a quick profit. People who are after a quick profit will get out without hesitation, causing the price to drop. Any bad news on Bitcoin by the MSM will create a panic so the short term investors will be rushing to the exits, causing a price crash. The price of Bitcoin should only rationally increase in price as more and more stores accept it as currency. This gives it a purpose. When the price of a commodity goes up because everyone else is buying it and not using it, it is irrational and will no doubt self-correct. Expect the price to drop to near its 200 day moving average which is around $1100.

I think of how I can get a lot of bitcoin and profit from it, but I feel confused as to where to start while I want it but I can not do anything just my best try so hard to get it and I get sad if it cannot

Precisely, most rich people would surely make an investment into a project or a very convincing or beneficial in the future. Because it is rich people already have a lot of money, so they have longer to find a job to add to the richness of the better again. Because all of the work that exists in the world is not able to give them a better wealth, other than just by investing