I agree, that would solve the problem of misrepresentation as long as Jim remembered to update the statement as soon as he became aware of any employees participating. However, the introduction is written in third person and your suggestion is written in first person so that would not really work unless Jim credited the statement with his name.
Judging by the historical secrecy that has surrounded IDCC, I would say it's likely against company policy to allow employees to post on message boards. However, that doesn't mean that it doesn't (or won't) happen.
Once