is fine as long as it does not affect the business itself, i.e., if they continue to do properly as before their own jobs. There are other ways things could af

is fine as long as it does not affect the business itself, i.e., if they continue to do properly as before their own jobs. There are other ways things could affect the business. There could be a risk of getting sued, there could be morale issues related to accusations of someone "sleeping their way to the top", there could be reputational problems making the company less attractive to potential new employees, etc.