A: That balance already exists.
Any weakening of cybersecurity for anyone, weakens cybersecurity for everyone.
You cannot put the genie back in the bottle and eliminate AES 256 and all other end-to-end encryption.
So, it remains the eternal cat and mouse game. Encryption gets better. Law enforcement skills of hacking and investigation gets better.
Or as Benjamin Franklin said best:
Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety.