Some automatics with manuals are actually faster and more responsive then a true manual. With the new double clutch systems, paddle shifters and electronic controls, true clutch shifting is being seen as obsolute, even on high end exotic cars.
Oh, I know that some are, but mine isn't. I can't afford the kind of car that has that level of refinement, so I'm planning on going back to an ordinary manual after I get rid of this one.
As for the situation at hand, there really is not a lot of need to use the gear selectors for most every day driving, even up large hills, the car (electronics) will compensate and select the most optimal gear for the situation. Now, in winter driving, it can be beneficial to start in 2nd or 3rd gear (depening on how many gears your automatic/manual transmission has) as it will help moving from a stopped position.
My car is underpowered for its weight, and I most commonly
need to go to manual when I need to get my tail out of the way of another vehicle in a hurry. Mine has a definite lag if you try flooring it in DRIVE; a lag long enough to lose my life in the wrong situation. Luckily I have years of experience driving a stick, so my muscle memory takes over in situations like that -- if I had to really think about I'm sure I couldn't manage to do it fast enough (and of course, I do drive with my right hand on the stick at all times, just out of habit.)
We probably should clarify that there are two kinds of engine types that a person could be speaking of in this context: one is the traditional automatic that has
D, N, 1, 2; where you would only use gears 1 or 2 in unusual driving conditions that require increased torque transferred to the wheels. In recent years some models have these gear positions, but
also have the entire gear range available for manual shifting as well, normally by either moving the gear lever to the right in the box and going through the entire gear range from R to 6 (or 5), or by using small paddle gear levers mounted on the steering wheel to do the same thing. I was speaking of the second type, and I believe that you were as well.
About 5% of all cars sold have a manual transmission these days, best I can tell from a Google search.
My mom had a car with "3 on the Tree", but she got rid of it back in 1960, and nobody in my family has owned a stick shift since.
I learned to drive on a '65 Dodge Wagon with 4 on the tree; it was tons of fun the day that the gear lever broke off in my hand when I was in 2d gear and 7 miles from nowhere. (That was apparently a common issue with column shifts; I know at least 5 people who had it happen to them.)