(2) you would not be allowed to smoke them anywhere that is a tobacco free zone or in most places a smoke free zone. An awful lot of the laws which ban smoking actually ban all tobacco products in the definitions sections. Since SE is claiming these to be a tobacco product is might cut back the places we would be allowed to smoke them.
I know I will no longer be able to sit at my desk at work and smoke!
I don't believe you are correct on this, Kayen. The smoking bans/clean air acts all focus on the "lighting" or "igniting" or "combustion" of tobacco products.
The fact that nic liquid uses nicotine derived from tobacco does not automatically put ecigs within the definitions of the various clean air acts. There is no smoke, no combustion, no lighting, so if any governmental body wanted to prohibit ecig use in public places, they would have to amend their smoking ban legislation to specifically include ecig use. And, they would not have any scientific justification for doing so, either.
Indeed, even pharmaceutical NRT products contain nicotine derived from tobacco, and that's why you will see trace amounts of TSNAs (tobacco specific nitrosamines) in them, but at such miniscule amounts they are regarded as "safe" compared to nicotine obtained from smoking. But you don't see nicotine inhalers falling within the bans now, for example.