As I said, everyone's welcome to approach things the way they want. If you want that many tanks rolling off the production line, go for it.
On the other hand, I like to limit things so that there isn't a tank over every hill and when PCs find new toys to play with, they're a bit more interesting, unique, and valuable.
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If it moves, shoot it, if not push it, if it still doesn't move, use explosives.
Nothing happens in isolation - it's called "the butterfly effect"
Mors ante pudorem
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