That's fine, because I wasn't going to answer the question anyway. It won't take me very long not to do it.
You're quite right. I'm not going to say anything that appears to reflect on a particular case, nor am I going to tell you what your policy ought to be.
To try to be helpful, what I can do is give you another specific example of the way we address this kind of issue in our own jurisdiction. In chapter 3 of the code, which deals with “Lobbying for reward or consideration”, we have in paragraph 4 a principle that members are not regarded as lobbying for a particular company if they are making an observation that is relevant to an industry as a whole.
I mention that because I think it's relevant to the kind of balance that you are talking about. If you are going to try to decide how to make sure that people are involved in public policy when they have specific interests, this is the kind of route that you can use to achieve that—