Then again, maybe not...
He means a “socially safe” environment. You might get burned up or maybe crushed to death but there is no one there to say sociopolitically unkind things to or about you.
Lefebvre said warehouses are important because for people who may inhabit nonconforming bodies or who are queer or who are in some way an affront to mainstream society all those people can congregate there, and they can do so in a safe environment.”
Then again, maybe not...
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So much for safe environments.