But I want a monolithic answer!

No single linguistic theory is robust enough on its own to adequately account for every aspect of language. It is too diverse and complex to make this a realistic expectation. Each different linguistic framework was developed to tackle different problems, typically ones left unaddressed by other existing frameworks.—Steven E. Runge, Discourse Grammar of the Greek New Testament: A Practical Introduction for Teaching and Exegesis (Bellingham, WA: Lexham Press, 2010), 204.