Good debate. Looking at the wreckage of tried and failed expansion clubs over the years, it's hard to make an argument in favour. Then of course there was Mansfield Marksman, Kent/Southend/Folkestone Invicta, Carlisle Border Raiders, Blackpool and Bridgend ( however, at least here there has been a spin-off of the North and South Wales teams). Expansion can work - the amateur game has proved that, but I believe, unless and until the game gets a foothold in schools, circumventing Rugby Union, we have little hope ( I don't see that happening any time soon). Better to make sure that we support and develop the teams we already have than to spread ourselves too thinly in my opinion.
On a separate point, as I've said before, 18 games in a season is too few. It does not allow you to gain momentum attendance-wise when there are yawning gaps in the schedules. Am so glad we have been promoted, as at least next season we will be getting another four home games which will help greatly and, of course, the added bonus of getting local derbies back! Good times. I'm still looking at this thread title and having to pinch myself!