Yes, we want pages small. But we also want images and video in those pages, and those can and will be quite large.
For example, this kind of visual tutorial page is impossible in Gemini: https://woodgears.ca/pantorouter/linear.html
In it's insistence on "human consumption of predominantly written material" Gopher has removed the possibility of such content, too.
Edit: corrected a link
Yes, we want pages small. But we also want images and video in those pages, and those can and will be quite large.