There are people who are well paid in there company,which allow them to be able to save well to gather enough money to buy assets properties without owning a business.
Buying property will also not always be able to save the life of someone who has a high salary because most of the property assets also require quite a lot of maintenance costs so that the owner also has to spend money to maintain the property so that it continues to look good. In addition, large companies usually also limit the age of each employee to work so that when someone is elderly they will be given a retirement letter for them.
And on the other hand, at this time there are also options such as robots to replace humans in certain sectors in order to be able to cut high salary costs for someone, so there is no way to avoid having your own business because everyone cannot always depend on one of the companies that still pays them at this time.