There is only one part of this that i would disagree with you. Putting is a very unique to each individual. there are many styles and stable putters are not always the best choice. they lack glide especially and their late hook can cause many misses.
i have taught many people how to play (I coach a local HS club). new players 90% of the time seem to pick up putting easiest with a straight glidier putter such as the Aviar P&A, Magnet, Omega, Pure, & etc. the reason i think this works out better for new players is because they havnt developed the ability to accurate place their putter with pushing power. and trying to force that power in early only develops bad putting habits and frustration. there are numerous top end pros who putt with slightly understable putters.
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