Heinlein spun off ideas at a terrific rate. Other writers picked them up…along with a distrust for arrogance combined with stupidity or ignorance, pa… - Larry Niven

Putting a monkey wrench in machinery is often the only way to force somebody to repair, replace, or redesign the machinery. Especially legal or social machinery.

I knew it long ago: I’m a compulsive teacher, but I can’t teach. The godawful state of today’s education system isn’t what’s stopping me. I lack at least two of the essential qualifications.
I cannot “suffer fools gladly.” The smartest of my pupils would get all my attention, and the rest would have to fend for themselves. And I can’t handle being interrupted.
Writing is the answer. Whatever I have to teach, my students will select themselves by buying the book. And nobody interrupts a printed page.

6) It is easier to destroy than create. Bin Laden tore down the World Trade Center? Let's see him build one. If human beings didn't have a strong preference for creation, nothing would get built, ever.