Oakland does “the wrong thing” routinely.
But had there been responsible security there, it is unlikely the disaster would have happened.
San Francisco did it without calamity in the ‘60s at the Filmore.
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That’s to skate on thin ice at best, yet. Getting away with it on the average seems to be inversely related, in most cases, to how wicked it was.
“Thou shalt not put the Lord thy God to the [vain] test.”