"The Prime Directive is not just a set of rules; it is a philosophy... and a very correct one. History has proven again and again that whenever mankind interferes with a less developed civilization, no matter how well intentioned that interference may be, the results are invariably disastrous."
R. Star wrote:
Another episode with this concept is Pen Pals. While the same conclusion is reached that it's basically Federation doctorine to let a primitive species doomed to natural extinction die out rather than intervene, the main characters actually do debate the morality of it rather than just accept it.
Picard's own words in Pen Pals.
He was going to leave the system until of course Data decided to play the message from the little girl. I wouldn't be surprised if Picard somehow forgot
to note his actions in his logs.