Homeowners who consider the enjoyment of their property diminished and/or their resale values reduced will doubtless take those grievances to their elected representives. As Kevin Curry previously pointed out, that may result in more burdensome legal restrictions on the use of property being enacted.
Actions have consequences.
True enough. But the tax system and laws were the enabling mechanism that give this man the tools and opportunity to do this, and the law will protect him from the wrath of the adjacent owners, shielding him from the consequences of his own actions and ultimately imposing those consequences on all of us.