Re: This seems out of proportion to the offense
"Kinda like saying the rain caused your roof to leak"
Actually what they were doing was credential stuffing*
So in your analogy this would me more akin to complaining that someone is hosing your house with a high pressure hose looking to see if they can cause a leak... Or more accurately standing at your front door with 20k keys trying each one until they gain access...
* Using credentials exposed elsewhere online to attempt to log into other sites.