Changing resolution or trimming is not transformation. Transformativeness means changing the reason for viewing. A meme that recuts a scene to mock a line is different from uploading the same scene with captions.
Ask one question: what does your video do that the original does not? If the answer is nothing specific, transformation is weak.
Commentary explains flaws or context. Parody targets the original's style to make a point. Data analysis overlays new info on footage. All these give the clip a new role.
Reaction can be transformative, but only with sustained input. Stock-like reuse for background or pacing is not.
Transformativeness asks what you add, not how you cut.
With GoScript, plan narration points before, during breaks, and after each borrowed moment. Write exact lines that link the clip to your claim. This forces purpose into each use.
Be honest in editing. Cut moments that do not serve your stated purpose. If a clip could be removed and your video loses nothing new, remove it.
Fair use can cover sharp commentary and pointed criticism, but only when new ideas outweigh the copied material taken from a published source.
Fair use is not a guess, but a balancing test based on four factors that ask how you used the work, what it was, how much, and market impact.
Fair use for reaction videos depends on how much you react, not how loud you react, with proof of new commentary tied to specific clips shown.
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