If you want to check it out, you'll see that Keith has left a nice comment at the last post where I announced him as an author.
His post is correct. It's really all about improving the quality of the brews we make.
Sure, it's entirely feasible that we might get to a point where any further improvement isn't possible without adopting commercial techniques, but it sure as hell shouldn't stop us looking should it.........
Oh and I'm sending this via email to prove that it's still working Ok and I only couldn't send the message from the normal account as it's getting messed about by the provider, though it seems to be to do with it having the address harvested/spoofed........ so watch this space.......