Complex sentence: The case caused tremendous polarization in how to interpret the evidence that was available, and shortly after more than 100 preschools across the country had similar sensationalist allegations eagerly and uncritically reported by the press.
Split into simpler sentences: The case caused tremendous polarization in how to interpret the available evidence. Shortly afterward, more than 100 preschools across the country became the object of similar sensationalist allegations, which were eagerly and uncritically reported by the press.