The Conservative chair of the Transport Committee urged him to resign.
“It’s indefensible to come back to parliament and say you decided to interrupt the law, you have got no regrets,” Huw Merriman told BBC Radio 4’s World at One
“We cannot have corporations go by folks like that. thus he must hand his card in.”
The sackings sparked outrage once it emerged workers are going to be replaced by foreign agency staff paid but the wage.
Addressing a committee of MPs on Thursday, Mr Hebblethwaite apologised for the distress caused by the cuts, however aforesaid they were necessary to save lots of the business that has been loss-making.
He aforesaid staff would receive “extremely generous” compensation, though as a part of these settlements they might forgo their right to pursue more action against P&O.
Asked whether or not P&O poor the law by not consulting the unions, Mr Hebblethwaite said: “It was our assessment that the modification [to staffing] was of such a magnitude that no union may accept settle for our proposal.
“So as I say, I fully throw our hands up, my hands up, that we did opt for to not consult.”
He added: “We did not believe there was the other way to do that and that we are compensating folks fully.”
Peter Hebblethwaite apologised to staff. however he remained adamant there had been no different possibility and gave no indication that he would jib.
MPs were appalled at his open admission that the business had chosen to not comply with the necessity to consult unions over planned redundancies.