Cool, thanks for these details - perhaps I'm underestimating how much faster I could be learning with a tool like this - I also think how much time one is spend

Cool, thanks for these details - perhaps I'm underestimating how much faster I could be learning with a tool like this - I also think how much time one is spending makes a difference - I would be chipping away a few hours a week max, had I spent more like full time I probably would have run into what you are describing.