He was speaking about grip angle, not grip size.
Lots of people seem to be mistaking him. It's very easy to end up with a handgun you can't properly reach the trigger on, that's certainly going to harm your ability to be accurate with it. Having to bend your wrists more or less isn't going to make a difference after you've used it awhile.
Reminds me of guitars, people playing gibsons because they're easier to play, then being unable to play a fender because it takes more effort. Lots of people mix things up so they don't fall in a rut of only being able to effectively use one thing. If you plan on owning or shooting different handguns, it's something you certainly need to be doing.
Lots of people seem to be mistaking him. It's very easy to end up with a handgun you can't properly reach the trigger on, that's certainly going to harm your ability to be accurate with it. Having to bend your wrists more or less isn't going to make a difference after you've used it awhile.
Reminds me of guitars, people playing gibsons because they're easier to play, then being unable to play a fender because it takes more effort. Lots of people mix things up so they don't fall in a rut of only being able to effectively use one thing. If you plan on owning or shooting different handguns, it's something you certainly need to be doing.