Lol the tool who downvoted you after reading your first sentence but couldn't be bothered to read the rest...
But yes the answer is absolutely greed. And the naivety that "oh look this place over here rented for $500 more I guess I can charge $500 more too..." + "Why would I lose out on $6000/yr?!" + "If I still rent out for what I was renting it out for some losers will just move in." + "This is how an investment works! I get more money because time and not because I actually improved the home to justify $500 more." ... The list goes on ...
The Shield Software Experience is version 9. The Android version is 11.