I think he did it under his own volition,nugs,and was more than delighted to have done so.
The time was right to throw his hand in.He'd done his bit-------------or so he thought,until the case was turned on its head by a forceful Ainsley.
" Taff " didn't need to make a name for himself. He'd already got out what he'd put in,his position,years served and several commendations. He didn't need the aggro/backbiting and hassel.