You don't have to provide it, but if there are benefits, you may be able to support this in some way. If you can support it, then you may be able to persuade o

You don't have to provide it, but if there are benefits, you may be able to support this in some way. If you can support it, then you may be able to persuade others into following course. Your response seems overly defensive, considering what the GP was actually asking.