Try this
I think we should apply the same principles to his and other excetutives' pay, and formally link them with laws and other legal constraints: "Your salary will be up to £600,000, though contention amongst other executives and company performance to its customers may mean the actual salary is lower." Then stick them on £18,000 as a perfectly adequate salary. If they argue about it, say "It is an adequate salary for a family to live on, and it does not contravene the advertised conditions of the job. We could make it larger, but there is no real call for it unless other changes are brought into play." I think we would see marked changes in pretty swift order to the broadband connections with little or no comeback, because, basically, if other countries can do it, there are few reasons why the UK cannot do it.