Ferlinghetti and Ginsberg

While Ginsberg and Ferlinghetti differ greatly in the style and overall tone of their writing, they also differ greatly on their overall expression of the "contado" idea that San Francisco seems to promote. San Francisco is indeed a city with a certain isolated and unique flavor to its streets, and though each writer interprets their experiences in San Francisco differently, the city's strange effect on all those who visit it can be see in both Ferlinghetti's and Ginsberg's writing.
Ferlinghetti's writing, though still with a dark edge to some of its subject matter, is far more idealistic that Ginsberg's poetry. Ginsberg's writing, especially "Howl" and "Footnote to Howl," convey the idea that Ginsberg, though still counting himself as a man living in the U.S., has taken refuge in San Francisco for its isolation from the rest of the United States. Ginsberg's poetry has the tone of a man who is recording his trip and assimilation into San Francisco, while Ferlinghetti's poems, like "The Great American Waterfront Poem," convey a character who seems to have assimilated directly into San Franciscan culture. Ginsberg clearly still focuses on America as a whole, writing not just about San Francisco in his great American poem, as Ginsberg does, but as the professor said, expressing that same "On the Road" mentality of a man going to San Francisco to seek some momentary asylum from the rest of the country.
Question: Is Ginsberg's "first thought best thought" beneficial to his expression of the "contado" idea? Does his later minor editing show that he may have had some regrets of his theory to not edit his work?