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Nope, don't do that. Learn to proper touch-type instead. Use your palms to press the ctrl keys. See: http://ergoemacs.org/emacs/swap_CapsLock_Ctrl.html . You can then use Ctrl+m instead of Enter at the command line, as well. Save both pinkies from the extra effort.
Using your palms to press the ctrl keys is only seriously possible on some curved keyboards. Everyone else, who prefers to touch keys with their fingers, like they were meant to, is going to do the sensible stuff and put the more frequently used modifier in the more easily-reachable place. All this press-ctrl-with-your-palms fad is a problem solved in the wrong place. And I have to say I dislike the tone of that page…
Total agreement from me, I consign this piece of advice to the same trash pile as !!NEVER USE ARROW KEYS!! ... cargo-culting nonsense.