Google Analytics can provide more insights than just averages, totals and percentages shown on the default dashboard. The document recommends comparing metrics over time, identifying low hanging fruit for improvements, segmenting traffic to understand different user groups, creating custom reports for deeper analysis, and becoming an "analysis ninja" to get the most out of Google Analytics. The document also advertises an event on using Google Analytics on August 13th at O'Neills Pub from 3:30-5:00 PM.