Out of sight, out of mind
For that narrow use case, premium mods are worth every penny
Tastes well in meerschaum but tastes nearly nothing in a briar pipe using 9mm balsa
Here is Delta's e-cigarette policy: "Battery-powered portable electronic smoking devices (e.g., e-cigarettes, e-cigs, e-cigars, e-pipes, e-hookahs, personal vaporizers, electronic nicotine delivery systems) when carried by passengers or crew members for personal use must be carried on one's person or in carry-on baggage only
[141] As scientific evidence mounted in the 1980s, tobacco companies claimed contributory negligence in litigation, arguing the adverse health effects were previously unknown or lacked substantial credibility