Why is it disingenuous or illogical? It’s the admissions page.
And, further down the page, they seem to provide exactly what you seem to think they should disclose: a profile of first year students, with demographic information ranging from their median test scores to the date of their last vaccine. I’m not sure what more they’re supposed to divulge.
I’m also under the impression, but do not independently know, that Wesleyan includes in their composite score reporting the scores of students who didn’t submit their scores for admissions purposes. I also understand that practice is not necessarily followed by all TO schools.
I’ve always thought Wesleyan was as transparent as any school. As an example, the content you cite is headed by big, bold red letters making it clear what they are doing:
They’re hardly trying to hide the ball.