I particularly liked the analogy that one respondant used:
This is like the police saying "Hey, meth labs are bad. And are illegal. To deal with them, everybody in town must produce a certificate saying "I'm not a meth lab" or get out of town!"
What happens? Those that can afford it pay for the certificate. The meth lab buys a forged certificate. Those that can't afford to prove they're NOT a meth lab have to leave town.
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brilliant.