So you'd like it implemented with nobody using it because they'll just rob you? Taxi was used NEVER before you weren't allowed to mug them. Now they're at least around occasionally. Besides is it really worth risking your life for $500?
New Orleans is great. If you're under 21, avoid bourbon Street, if you're over 21 and don't want to get puked on, avoid bourbon Street, if you're over 21 and want to get absolutely hammered and go to strip clubs, go to bourbon street.