You can never concede enough to them 
At least 2 will not be paying the licence fee that they are not paying 
It's interesting the the BBC are saying that they link the NHS which provides the relevant links. They are letting the NHS take the lead/flack in a controversial area which maybe they should have done in the first place. However the NHS site used to have, not only links to Mermaids, but, the whole anon biography that founded it - that disappeared quite a while ago.