His writings on architecture, art, and design–more than 1,000 articles to date–have appeared in a broad range of periodicals, newspapers, scholarly journals, and exhibition catalogues in the United States, Europe, and Japan, including some 50 pieces for The New York Times.

Robert Hughes praised it as "by far the most intelligent and shapely writing on architecture done in recent years," and called Filler the "one regular critic in the American press whose pieces are a guaranteed pleasure to revisit–or to read for the first time.

Filler's criticism is often acerbic and outspoken: in a New York Times Op-Ed Page piece he denounced the Gwathmey Siegel addition to Frank Lloyd Wright's Guggenheim Museum as "the most appalling act of architectural vandalism since the demolition of Pennsylvania Station".

[3] In The New York Review of Books he termed the rebuilding of post-reunification Berlin "a fiasco of immense proportions, the greatest lost opportunity in postwar urbanism,"[4] and characterized the bird-like structures of the Spanish architect-engineer Santiago Calatrava as "kitsch.

Within days of the legal action, Filler issued a public statement stating, in part, “I wrote that an 'estimated one thousand laborers...have perished while constructing her project thus far' ...[when in fact] there have been no worker deaths on the Al Wakrah project.” He added that "I regret the error."

In early 2015 Hadid withdrew her complaint and under the terms of a confidential settlement agreement donated "an undisclosed sum of money to a charitable organization that protects and champions labor rights.

Together they wrote and conducted interviews for three documentary films by Michael Blackwood: Beyond Utopia: Changing Attitudes in American Architecture (1983), Arata Isozaki (1985), and James Stirling (1987).