Picture a foolish person falling out of a hot air balloon.
"Gosh," they think, plummeting, "the balloon is going upwards SO fast!"
“it would have taken me days/weeks/years/… to learn and produce something by myself”.
They forget that often what you need to know can be learned quickly, it’s just mastering (solving the general case) that takes a long time. Learning the piano takes years, learning how to play “Happy birthday” can be done in a few minutes.