Well, I'm not so sure about that... true, e-juice may be considered a tobacco product because, currently, the most efective way to obtain nicotine is to extract it from tobacco leaves. Not potatoes, tomatoes, whatever, but from tobacco.
But remember, it's not just
the origin of the active substance that is taken into account...
but also it's intended use. The court decided that e-cigarettes were not to be considered medicines (like patches, who also have nicotine in them) but instead should be considered as a tobacco product
taking in consideration it's intended use: a recreational one, not to 'treat a condition or disease', but only as an alternative to regular cigarettes. So, IMHO, even if in the future we get lab-produced nicotine, by synthetic means only, it still does not change the facts that
1) Nicotine is nicotine. Whatever it's origin, it is still the active substance
mainly found in tobacco leaves.
2) We will still be using the e-cig in a
recreational way: not as a medicine, but only to substitute for another, nastier habit that we had before. (Not that I see myself as a smoker anymore - I don't - but I have to admit that I did not quit the behavioral aspect of the cigarette addiction. In fact, not having to quit that behavioral aspect is probably why the e-cig is much more effective than pharma NRT's)
All in all, I believe the classification as tobacco product is actually a fair one (provided, of course, that the e-juice actually has nicotine in it: otherwise, point 1) above would not apply)... It sure is better than what they're trying to do in the EU: treating the e-cig as a
medicine.