CFR Title 28 § 75.1 Definitions.

(c)(4) Producer does not include persons whose activities relating to the visual depiction of actual or simulated sexually explicit conduct are limited to the following:

(vi) Unless the activity or activities are described in section 2257(h)(2)(A), the dissemination of a depiction without having created it or altered its content.

TITLE 18 > PART I > CHAPTER 110 > § 2257

§ 2257. Record keeping requirements

(a) Whoever produces any book, magazine, periodical, film, videotape, digital image, digitally- or computer-manipulated image of an actual human being, picture, or other matter which—

(iii) inserting on a computer site or service a digital image of, or otherwise managing the sexually explicit content,[1] of a computer site or service that contains a visual depiction of, sexually explicit conduct; and

This is at the root of the "editing of content."
1.) This only applies to US citizens
2.) This could in theory be applied to US property in rem e.g.; servers

Not legal advice offered in background discussion.