Imitate after you have a firm base to understand what and why they are doing something.
Experts have a hard time explaining things they have internalized.
Trying to copy them at-least initially will likely lower your confidence and make you wanna skip and go home and sleep.
People on YouTube have a “perfect execution” and they usually don’t show how much work goes behind it. A way to look behind their work is to look at them performing Live or streaming Live.
For programmers, it can be helpful to look at GitHub commits too.
Similar but with a twist: Observe other people in action