Pirate Factions in open assault of Empires.
Yes please. Nao.
Turn all lowsec into festering pirate faction battlegrounds. Let us declare loyalty and cause destruction.
Your loyalist tears will taste of sweet honey... your lamentations a soothing music to our ears as we paint the stars with the blood of your weak and innocent.
We're in ur lowsex, ruinin' ur empirez.
Except, as both Ghost Hunter and Chell point out, this will devolve from our treasured Yarring into button-orbiting, and the Militia Blobs that we know and despise (and thus stay the hell away from). The only reason I've ever gone into a FW plex is to feast upon the plexers within (or those seeking to gank the cloaky plexers, as the case may be).
Besides which, the established empire Militias would probably stay primarily the same as they are now, with all their organization and decent/poor strategy, while those who
do switch sides and those who come from Hisec to join the pirates would just bring a new influx of terribad blobbers intent on inexpertly camping gates, docking up the moment a decent yarring gang showed up, and waiting for overwhelming numbers while spewing awful smack in local.
This is not the way to fun RP combat.