If neighbors don't like what their neighborhood is becoming, they should move. Aside from homeowners group contracts, a person should be able to do as they wish with what they own.
I'd bet that's the feeling of a good majority of people on this site regarding computer equipment and personal electronics. Strange they don't feel the same for real estate.
Even if it affects others? I should be able to turn my apartment on the floor above yours into a nightclub, because it's my property?
If I choose to Jailbreak my iPhone so I can tweak it the way I see fit, that's a decision that affects no one else.
Unlike with personal electronics, real estate typically does not exist in a bubble and affects lives of other people living nearby.
Both you and your neighbours would be affected by noise or lack of trash disposal.
If the people in the flat upstairs would flood their flat, the flats below would be flooded and damaged too.
If your neighbours don't like what their neighbourhood is becoming - they have the same right to decide what it should be as you do.
"Do as I wish" has limits in human communities.