Decent lads don't jack the job in , simple as that.
Bollocks, the pressure lads are under when they get done is immense, three or four generations of terriers put down in one fell swoop, names in papers and on tv, neighbours giving out to family, snide comments when walking down street, getting to post before wife to get rid of hate mail, stress and cost of court case and follow up visits from cops and uspca, not that simple