Hypocrism
Member
Yup you sure dont. That is just for practising look ahead and familiarising yourself with how pieces move around cube. Completing 2 f2l pairs is more than enough but trying f2l in one look may help in multislotting in the end. The more familiar you are on how piece move around while inserting a f2l pair, the more you know where a piece is gonna end up after inserting a pair so you can either multislot or you can seamlessly go to solving another f2l pair. In the end it is for the good. There is no harm in trying it
PS: I do f2l in 2 look so it is really not required but helps a lot.
I don't think learning to do the F2L in one look is a useful skill at all, I think doing that would be far less productive than other sorts of training. That trains your ability to predict a long way ahead, sure, but that's not the skill used in a fast f2l, which is primarily the ability to disconnect from the current pair so that you can prepare for future pairs. This ability isn't trained by staring at a cube and trying to memorize moves. Learning the effect one pair has on others is a useful skill, but that's completely different to what this idea would train and there are far better ways of practicing that ability.
Did you learn to solve F2L in one-look? What times did that get you to in speedsolves?