Anderson: Taking the long view, history shows that word usage and grammar rules are constantly changing and evolving—sometimes resulting in entirely new languages.
Given Anderson's Claims
1. History shows that word usage and grammar rules are constantly changing and evolving.
2. This sometimes results in entirely new languages.
3. Grammar rules will change regardless of our efforts.
4. We shouldn't worry about violations of grammar rules.
Evaluate Lipton's Responses
1. no comment 2. no comment 3. no comment 4. Disagrees
Anderson presents an argument to support their conclusion that we shouldn't worry about violations of grammar rules. Lipton doesn't dispute any of Anderson's evidence. Lipton responds with an analogy comparing grammar rules to laws. Considering the whole analogy, Lipton's final statement, shows that they disagree with Anderson's conclusion about violations of grammar rules.
Goal
We'll look for an answer that addresses claim #4. Beware of answers that focus on specific details which were not actually points of disagreement.