~snip~
However for the case of people earning salaries, do you think there is a way they can be really rich without owning a business and or is it compulsory for one to be own his own business
There are other things not just business, they could invest in crypto, stock, or forex trading.
There are also who invest in asset's or real estate, if they could save enough money they could do it, the problem with some people is that they are already contented by their life style living with enough money to survive till their next salary comes, enough to pay bills, put food on the table and have a good time, shopping spree.