>Because "OH NOES, THERE IS AN ADDICT IN MY TOER BLOCK" problem with publick hausinges
SIDE NOTE
Why tf they've neveran area of "decrepid"-but-repaired tower blocks into a rehab? THink of it: in-house doctoring, the "oh no imma inna cell" influence of stress lowered to the minimum, all the pushers gets kicked ou thanks to "GET OUT YOB, TIS' A CLINIC, NO [cigs] R 'LLOW'D 'ERE"