Platforms are necessary. They shouldn't completely deter a siege, but help deter some aggressors, and at least help in defense. They certainly make a difference. Its a 24/7 server, you need round the clock deterrence against individuals and small groups that might not know the rules as well.
Really there is no problem with them in general. One of the first things I experienced here was jumping into a system and getting torn up right away. I got angry but I rp'd a bit for the first time on the forum. Nowadays we always appease the lazier players. That attitude is the cancer. When you launch, you the player are responsible for paying attention. Dont fly too close to a POB you are hostile to, you only have to learn the hard way once. There are equal ways to wind up with them causing a problem, or helping you out.
C'mon shouldn't Agiera be pushing WP's? Pushing for them to require munitions so people will have to make deals and contracts for supply? Then there is also some new trade routes possible too. Munitions from Liberty would be a regular thing to see shipping out all over Sirius, some POB's would need regular shipments, others would barely ever use them still. If the base needed to have at least 100 units of munitions every time it replaces a WP, there is both a way to turn the problem into an inrp/game play solveable activity, and create a new practical job.
So if a base's WP's then bother a player, you can tell them to find an opposing faction to join and get a ship that can go back and keep the base depleted of ammo, if they can. This is where bots could come in handy too, if there were a public bot monotoring POB's who want them tracked, it could send out a notice to everyone in the main chat that a base is under some form of attack, and give owners/suppliers/defenders a fair and almost instant heads up.