I can see how it would be beneficial to learn to ride the canter in two-point, but in the long run I feel it`s a bad shortcut. One of the hardest beginner riding skills to master is picking up a correct, engaged canter. Learning to pick up the right lead and recognize the wrong one all comes from sitting deep and asking, doing it the long and hard way to get the right result. Going into two point allows your horse to run up into the canter, not making him engage his hind or collect his energy at all and can lead to your horse learning to bolt. Also cantering in two point gives your horse more leeway to misbehave I.e. Buck, and bolt and being a beginner it could end very poorly. I learned to walk trot canter jump and work the bit before I learned what we called a half-seat. A half-seat is used in eventing, which is essentially sitting up off your horses back without resting your hands on their neck, alot like two-point and is used for galloping cross country to make it easier on your horse. But again, you render your seat useless in the half-seat so unless your highly experienced or trust your horse completely I don`t recommend it, I feel it can cause alot of bad habits to develop such as the dreaded permanent hunt seat... you know where you watch a girl in hunter ring who is completely up off her horses back and on his shoulders, which at the time looks pretty, until her horse slams on the breaks and she goes FLYING. Not fun i`ll add.
If something is not to your liking, change your liking- the only thing you can count on in this world is change. ♥