Do owners of betting companies place bet on their own platform or is there a policy specific policy that restricts them from betting. Do you think that there would be conflict of interest or that it will be unethical if owners bet on their own platforms. These are the questions that I am seeking an answer to.
If you start a casino, will you set a policy to restrict you from gambling ? As a owner you can do whatever you want as long as you are the owner as these are private business and you set the policy and rules and there is nothing unethical unless you start scamming your own business.
this aspect i believe is hard to know the truth. as these owners won't reveal if they are also betting or not. but the likelihood may be high especially if those persons are rooting for certain sports or team, as they will likely place their bets as well.