So you send ~50 mail every (working) day?
Could your sheer volume skew the result?
(as in: spam people and they start to ignore you, put someone on CC and they have reason to believe it's worth reading?)
"Nothing," really? This seems like a very real-world sort of test that gives a fairly decent indication of the kind of pictures that you're likely to get in the conditions indicated. It's not scientific, and there are lots of uncontrolled variables, but it's still useful.
"...your 1G iPad will become little more than an expensive paperweight as new apps and updates to your existing apps start to require iOS 6"
Not updating aiPad 1 will not amend this problem... Sorry.