Kaizen Gaming owns Betano, a leading online sports betting and gaming operator which is currently active in 9 markets in Europe and Latin America, while also expanding in North America and Africa.
The truth is, yes casinos can control a slot machine or rig it only to give players small wins. Some casinos work with developers to create exclusive games. This gives them even more access to a game's code and RNG.
Why Casinos Don't Rig Their Machines. Casinos already basically have a license to print money issued either from the state or country they're operating in. Many of these licensing agencies will have a minimum RTP or payback amount that casinos will not be allowed to go under.