> What a weird thing to say... A/B tests are a thing, does anyone buy that experimenting with new things by rolling out new features to all users at once is a good strategy?

What it means: 'Elon looked bad when the blue checkmark fiasco happened. And more boo boos are on the way. Now Elon doesn't like to look bad. Solution? Everything we do is now covered by "it was just a test" disclaimer. Problem solved.'