Because this site is clearly in need of 250 KB surveillance JavaScript.
So even this "plain text" site still transfers ~98 % bloat and just ~2 % content.
So even this "plain text" site still transfers ~98 % bloat and just ~2 % content.
its more around 90% JS, 10% content
After the first page load (with scripts cached) its around 87% content (unfortunately they don't seem to be caching CSS)