A bit 1on1 ist not wrong. especially for guards. Taking in account the elastic effect will lift you player quiet quick. For guards, the quickest way to the target is 1on1, OD, JR, JS, and passing. This is the perfect and the quickest way to train a guard in general, because it will use the elastic effect properly. 
But I agree with you, training 1on1 for a long time ist just a waste of time and talent. You have to stop an change training at the right spot.
                                
                                
                                
                                
                                
                                
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