This is not strawmanning, this is showing you that your definition of what constitutes a victim is completely wrong and very easy to twist and abuse. A fast-food hamburger, alcohol and skydiving all fit your three criteria, but locking people in a cage for any of them is something that no sane person would ever agree on.
You can try to educate people, regulate, disincentivize through various means, but you shouldn't jail someone for an activity that is only dangerous at the tail end.
No, we should use weigh the negatives against the positives and avoid making strawmen of these arguments.