An owner of a company cannot control everything alone. To run a company there are multiple employees in multiple positions like CEO, CTO, CMO etc... so an owner does not have all the forgiveness. A site has a board to manage it and any decision needs to be approved by must of the board members. So definitely everyone should choose a good site carefully. Because there are huge number of scam casino sites in the market. Good site as well
Most of the online gambling platforms don't share all the information about their team members, so I don't think that a person should only check the team before they decide if the platform is reputable or not. You also don't need to know much about the team behind a gambling casino in order to trust it with your money, it's all about the reputation and reputation is gained by staying in the market for sometime, that's why most casinos that have a good reputation have been around for quite some time already.
So, a person who wants to choose a gambling platform that they will use to gamble with full-time, which means that they will be regularly using that platform, they need to make sure that the platform has been around for some time and it has a good reputation within the community.