> if you don't add anything original in your prompt

Define "original". You could generate a pregnant Spongebob Squarepants and that would be original, but it would still be noise that doesn't inherently expand the creative space.

> don't spend much time selecting

That's the unexpected issue with the proliferation of generative AI now being accessible to nontechnical people. Most are lazy and go with the first generation that matches the vibe, which is the main reason why we have slop.