Answer:
Its the person who is talking in the poem because its first-person
Because I love science fiction
(The claim states that) Headphones should be modified for a safe volume level to protect hearing. (Some may disagree because) People would like to hear large amounts of volume, that may damage their ears. They may be destined for free-will, and choose to live their life the way they want. So what if manufacturers choose this way of making headphones, they may see some sales drop as many people don't actually care how loud things are.
If you could please include a little more about the question, you could get a more reliable answer.
