In a way, it's the deepest and most perennial controversy in linguistics. https://en.wikipedia.org/wiki/Universal_grammar https://en.wikipedia.org/wiki/Univers

In a way, it's the deepest and most perennial controversy in linguistics. https://en.wikipedia.org/wiki/Universal_grammar https://en.wikipedia.org/wiki/Universal_grammar https://en.wikipedia.org/wiki/Poverty_of_the_stimulus https://en.wikipedia.org/wiki/Poverty_of_the_stimulus But it's hard to present the context of the argument when describing an individual research paper, so maybe the research summary ends up sounding at first like "when they're little, children learn how to speak their languages!", which definitely sounds like "wait, why does someone even bother publishing a paper about that?".