It seems that the government is so confident about the success of Brexit that dissenting voices should be silenced 
https://www.bbc.co.uk/news/business-44593095
I guess businesses should just shut up and then pull out of the UK without warning if the post-Brexit situation makes it too difficult to do business.
Health Secretary Jeremy Hunt has said that "threats" by business over Brexit are "completely inappropriate".
He was responding to warnings by Airbus and BMW that investments in the UK could be jeopardised by Brexit uncertainty.
https://www.bbc.co.uk/news/business-44593095
I guess businesses should just shut up and then pull out of the UK without warning if the post-Brexit situation makes it too difficult to do business.