The default assumption should be that people who benefit from auto sales are actively trying to block public transportation. It's foolish to think otherwise.
The accuracy of significant elements of Snell's 1974 testimony was challenged in an article published in Transportation Quarterly in 1997 by Cliff Slater.[48]
Recent journalistic revisitings question the idea that GM had a significant impact on the decline of streetcars, suggesting rather that they were setting themselves up to take advantage of the decline as it occurred. Guy Span suggested that Snell and others fell into simplistic conspiracy theory thinking, bordering on paranoid delusions[61] stating,
Clearly, GM waged a war on electric traction. It was indeed an all out assault, but by no means the single reason for the failure of rapid transit. Also, it is just as clear that actions and inactions by government contributed significantly to the elimination of electric traction."[62]"