With the exception of the irrelevant crack about the PP program,
the answer to your question is in your own post.
In the quest for bigger, faster, lighter, better, etc,, someone had to
"push the envelope". It's in our nature, even, I'll bet, yours.
"Had to" really isn't even part of it, "want to" is better--this is America, that's what we do, and do well.
You may be happy to dwell in the past.
Many are not.
Give real examples, not more of the usual......vague.......mumbo...... jumbo.