The articles are objectively written and what is more they are comprehensible to the majority of people.

objectively 是形容词 objective（客观的）加上副词后缀 -ly 构成的副词形式，表示"以客观的方式"或"不带偏见地"。objective 本身由词根 object（物体、对象）和后缀 -ive（具有...性质的）组成，字面意思是"基于事实而非主观意见的"。