Landmark Illinois recently released its list of the most endangered historic places and it includes several places in the suburbs of Chicago. This is the largest suburban building on the list:
This is indeed a unique structure. Suburbanites are unlikely to see many large Brutalist buildings in suburban communities as they are traditionally associated with big cities (think Boston City Hall or the FBI Building in Washington, D.C.).
I have asked before whether Americans would prefer modernist structures more broadly or McMansions. Both kinds of buildings have their detractors who critique the materials, the style, and the prevalence of such structures.
If some of the goals of preservation are to protect notable buildings and help show important architecture of the past, both such styles deserve to be recognized. Brutalism is not likely the preferred style in suburbs. McMansions are not favored by many. At the least, both kinds of buildings represent a particular era. At their best, they present a particular approach to buildings and spaces.
Even if certain kinds of structures or certain styles are not appealing to all, there is still value in preserving examples of this work. If Brutalist buildings are in, we can expect to see preserved McMansions in the future. Imagine protecting the subdivision McMansion of the North Shore or the teardown McMansion of Naperville to show how Americans thought about suburban housing at the turn of the twenty-first century.