Of course company officials will do everything they can to increase profits but they are not legally obliged to do so. The only legal duty is to not act unlawfully in conducting the business of the company.
Again I don’t know but wasn’t there a report in the news recently about a significant company loan that Mr Rees Mogg was given by his company?
Jacob Rees-Mogg investigated by Parliament's sleaze watchdog after he failed to declare £6 million in loansRees-Mogg led an unsuccessful attempt to reform the standards system after fellow Tory MP Owen Paterson faced suspension from the Commons.www.businessinsider.com
The duty is to operate in the best interests of the company - you're at liberty to explain why paying tax unnecessarily is in the best interests of the company but I don't want to be responsible for your investor relations strategy if you do.
Regarding R-M's specific affairs, he will be required to demonstrate that it is a bona fide loan (and Director's loans get serious HMRC lock-on) and he'll be liable for tax if he can't.
For me, the scandal is around HMRC doing stupid deals with entities like Amazon who, if they want to deliver goods to UK customers, cannot Offshore however much they threaten to.