The JAMA network did an analysis of how cost effective they are and found that, in spite of the health benefits they provide, they're simply not a good deal at their current price point
Ramadan M, Loureiro M, Laughlan K, Caiazzo R, Iannelli A, Brunaud L, et al
Crucially, the progress and accessibility of potent, brain-permeable compounds that specifically target 7nAChR receptors, including agonists, allosteric agonists, partial agonists, and positive modulators, would greatly aid in conducting pre-clinical and clinical trials [48]
2025 May 12;9:25424823251342182
However, even if you stop using the battery when it swells, you still have to render it safe (a process I'll get into later on in the LiPo Disposal section)