哪些年龄门槛应改为技能门槛，反之亦然？
在英国，未满18岁购买酒精饮品属于违法，多数国家也对投票权设有年龄限制——这些是"年龄门槛"，无需证明个人能力，只需达到指定年龄即可。而某些事项则设有"技能门槛"，例如申请业余无线电执照需要考试通过。文章探讨了哪些领域应当从年龄限制转向技能考核，以及哪些领域应当反过来，从技能考核转向年龄限制。
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The article explores the inconsistency of age-based restrictions in society, questioning why certain activities (like driving or voting) are gated by skill tests while others (like watching adult content or accessing social media) are gated by age. It suggests that some age gates should be replaced with skill gates, and vice versa, to better align with actual competence and responsibility.