So the NRA and others are suing Seattle because their safe storage requirement violates Washington state pre-emption law, which prevents cities from regulating guns.
Brady comes out with a less than honest Tweet, yes they left out the necessary information and followers lost their minds.
The article gives the reason, so what does the Brady Campaign seek to obtain by leaving it out of the Tweet? The necessary outrage refueling of the idiots that follow them.
Why lie when your cause is righteous?