Unlimited ammo isn't the only thing you paid VIP for. Even removing the cost of monthly unlimited ammo it's still over 7.5k.
To say you ONLY bought vip for unlimited ammo is just an excuse to try use as an argument because you don't like the change.
Perfect shape and unlimited revives are the important aspects of VIP, not the unlimited ammo. VIP Unlimited ammo itself is almost redundant thanks to the frequency of freebies which provide that