Original sentence: The large influx of newcomers began to cause problems.The neighborhood could not accommodate so many people descending on it so quickly, and the Haight-Ashbury scene deteriorated rapidly
Edited sentence: But the large influx of newcomers, many of whom had no attachment to the community or loyalty to "hippie ideals" (and many of whom were simply transients) began to cause problems.The Haight-Ashbury scene deteriorated rapidly.The neighbourhood could not accommodate such a large group of people descending on them so quickly