Compare the pair
There are many ways to skin a cat, as the saying goes.
This is especially true with headlines.
Two different headlines can be saying pretty much the same thing, but one works harder than the other.
I think it comes down to understanding your target audience.
A quick look at my inbox this morning has a great example.
Do I want an enormous gain in length or to merely gain a few centimetres?
Who'd have though there was so much to learn from porn spam?