Round robin event type allows you to distribute the meetings amongst team members based on one of the two optimization methods for identifying the target team member for the meetings.
If you wish to bring in Collective behavior into round-robin events, it is possible with Cal.com. You can now select which hosts you wish to always attend the meeting whilst the other selected team members who are booked on a round-robin basis.
This method combines the best of both worlds, a round robin event with a round robin and collective hosts.
For tasks like scheduling sales calls or product demos, where you have a pool of people among whom you'd like to distribute meetings, round robin is the perfect choice.