Hm, did you check how much energy it consumes? It will run every minute, even when in standby and lying on the shelf... I would consider it risky, I guess.
Then anybody who wants to do it should probably
a) be aware of the risks, but you wrote that in your guide
b) know "vi" (heh, that's a clever move to keep the newbs away :-P ) - but then there may be other options,
c) do backups. DO BACKUPS!
d) add in step 7: mntroot ro
And I guess this thread belongs into the developer's board.