Yes, you can, and we do at my current job. Much of the time it's not even really the harder approach compared to using someone else's action, it's just that the

Yes, you can, and we do at my current job. Much of the time it's not even really the harder approach compared to using someone else's action, it's just that the existence of third party actions makes people feel obliged to use them because they wouldn't want to be accused of Not Invented Here Syndrome.