Okay, gonna reply to that.
Spawning IS BAD. It deserves a fix ASAP.
Team balance on other hand... it needs progression system enabled and a way to sort similarly skilled players matched against each other.
Tanks are strong, true. But few well-placed sniper/AR shots on vision systems or electronic systems can force the driver out of tank to fix it.
And I already said something about shotguns - you can check my older thread where I suggested few fixes on shotguns.
About RPGs, and explosives overall - they are INCONSISTENT!