I'll make sure that we give clarity to this mistake.
While writing, that statement was meant to convey that raining on a project can draw attention and / or additional crunchers. It was poorly worded though because the understanding you got (and I also see now that you have pointed it out) was that the rain itself distributes magnitude to the user. This was not the intended meaning.
RE: The Gridcoin Network Has Made It To Medium! First Post: An Introduction To Gridcoin