Not really. The example listed above is perfectly readable.
Knowing the versions of webkit, browser version, etc. is important due to inconsistencies, new features, mossing features, and deprecated features. Sure it can be faked, but that is on the end user.
From what I have been reading: Evidence suggests Russia was lying. Examinations of the crash site revealed no signs that a large number of people on board like Russia claims.
I am willing to bet it had missiles and the entire story was made up by Russia to: