Key escrow proposals don't "work" unless you outlaw encryption schemes that don't opt in to the escrow. Key escrow's weakness is certainly bad. But it's much

Key escrow proposals don't "work" unless you outlaw encryption schemes that don't opt in to the escrow. Key escrow's weakness is certainly bad. But it's much worse that you can no longer be free to execute these mathematical concepts. Can you even discuss them freely in a world where the implementation is outlawed?