I wonder how often this would need to be physically replaced/maintained. And for that matter what size is required - would this work for unpowered earplugs / would it be better than conventional foam earplugs?
Hollywood and associated content creation/monetization businesses are historically strongly aligned with the Democrats - though I agree with your ideal, it is not likely that the party will bite the hand that feeds it.
That isn't entirely true. For instance, if you are investing on behalf of a foundation or other nonprofit structure, or a similar non-taxed or tax-deferred entity (like a pension fund), you have a reason to preserve your legitimate tax free status. This is one reason you'll see US hedge funds with both Delaware and Cayman entities even if they only have US subscribers - because some of those US subscribers will be entities outside the conventional person/corporation tax model.