You can give your players incentive to do things, but if it’s not the incentive they’re looking for they will probably demonstrate it by their in game actions. Some examples of player incentives include:
Bad and Wrong Music Lessons
A music lesson for people who know nothing about music, from someone who barely knows anything about music.
Charging More for a Worse Product
No, game prices don't "need" to go up. That's not how supply and demand works. Instead, the publishers need to be smarter about where they spend their money.
Lost Laughs in Leisure Suit Larry
Why was this classic adventure game so funny in the 80's, and why did it stop being funny?
Starcraft 2: Rush Analysis
I write a program to simulate different strategies in Starcraft 2, to see how they compare.
Batman v. Superman Wasn't All Bad
It's not a good movie, but it was made with good intentions and if you look closely you can find a few interesting ideas.