Very good points, Sister ginnyrose!
I think back to my trips to the Tarahumara tribes deep in the Sierra Madre Occidental in Chihuahua, Mexico. Before a building was built for them, the Church there met together beneath the shade of a tree. Some of the most wonderful meetings that I have ever attended were with believers under trees, in caves or just outside.
Several years ago, I attended a home Bible study with a group of believers. One of the ladies who attended the meeting was an immigrant from El Salvador. When she was a teenager, she migrated from El Salvador to the United States. Her journey was long and hard and punctuated by moments of horror. She married (and later divorced) an American man and is now a permanent resident of the country.
During this Bible study, the leader asked if we take our church "creature comforts" for granted. He mentioned the persecution of the early church and ongoing economic status and persecution of believers around the world. He asked what all of us would do if our church building didn't have pads upon the pews, microphones, musical instruments or air conditioning.
Oddly enough, the only person who admitted that she wouldn't fellowship there was this woman from El Salvador. During the ride home, this woman was adamant that God had "freed" her from poverty and wouldn't go back to it. I was caught off guard by her comments; however, I think that it goes to show how "comfortable" we can become in Zion if we aren't careful.
In one of his messages, David Wilkerson stated how the luxuries of yesterday always have a tendency of becoming the necessities of today. Things that were once thought of as "luxuries" -- such as a telephone, indoor plumbing, hot/cold water, automobiles, air conditioning -- are now considered "necessities" just a few decades later.
As you reminded us, a building is not required for the Church to corporately fellowship. It is just a luxury. It is nice to have, but a group of believers can fellowship and worship beneath the shade of a tree just as easily as they can in a fancy air-conditioned building or home.
I am praying about this situation in Phoenix. I suspect that this man in Phoenix and the rest of the gathering will find another place to fellowship with one another until this situation is resolved by the various governing authorities who will work either for him or against him. Yet, as NMatheson pointed out, there are many people in this world who face persecution and ridicule much more severe than a zoning dispute.