This has relation to the topic of poetry and translation, as the author's wishes are not always what determines if a poem is authentic or not. This argument is central to poetic authenticity.

Shows motive of the author in tone; He argues against this idea, so uses a dismissive tone to downplay the counterargument.

I feel like this attributes to complexity and poetic diction what might actually just be colloquial speech. This might also be a comment on the duality of the existence of both that "compound diction" and the common man's speech.

Would these two points not be the same for most people? The author seems to be making a distinction here between descriptive and prescriptive work that he does not support in the rest of the article.

Implicit TS/IS: They (Sir Joshua Reynolds) say(s) that an accurate taste is an acquired taste, and Wordsworth agrees, but is conversing by qualifying the statement.

Explicit TS/IS: They say not to let readers think for themselves, I say to let them do so.

TS/IS: THEY SAY that something offends others, therefore it must be censored, I (WORDSWORTH) SAY: let the readers form their own opinions without prior restraint.