I just strung a head radical after string the mains it was compressed 5/16" stringing multi @ 56 lbs. After string the poly crosses @ 53 lbs it finished up 1/16" short. That is with normal tightening of the racket without stretching the frame to begin with.
Everyone has the right to be stupid... it's just that some people abuse the privilege...
Balance - 31.0 cm, Weight - 358 g, SW - 346 Kgcm^2