Why are not the two comparatively huge browsers (at least to Tor and Brave!) Edge or Safari covered in the "Learn more" section? How do these compare to Chrome.

Why are not the two comparatively huge browsers (at least to Tor and Brave!) Edge or Safari covered in the "Learn more" section? How do these compare to Chrome. I feel like they are obliged to cover them if they put them in the other "less respecting" list.