The role of private sector in developing the economy of any country is very crucial and important as the role of government in society is for protection of life and property and creating the right environment for business to strive
Private sectors can't function properly if the government sectors aren't helping matters in the country. Many African and developing countries aren't having a good turn up from their private sectors because of the policies of the government. In Nigeria the government just woke up one morning and started attacking the private banking sectors and asking fin tech banks not to accept new registration and if this banks don't get new users how will they get new business to make money and add to the economy of the nation through employment and paying of taxes.
Other similar things are happening in other countries with the hostile treatment from.govwrnment. Private sectors help in growing the economy of the nation but they governments have to be friendly to them for this to have full effects.
So while the owner of the business who is profit oriented gets his return for investment when the team wins a league title or from transfer of players and from tickets sold to fans who come and watch their match's he has created wealth to his employees by way of paying them salaries which in turn translate to economic growth
Have you heard of the case of Chelsea former owner and how the UK government force him to sell his club, this are things that discourage private business from coming to the nation. So again if the government don't create policies to welcome private businesses, the nation won't get them and there's nothing position they can contribute to the growth of the economy m