Can We Just Use System Fonts Please Designer Please

四格梗图：上方标题写 Every web designer ever，光头男子在暗处说 I fear no man. 和 But that thing...，左下角是代码 body { font-family: system-ui; }，右下角他惊恐地说 it scares me.，表达网页设计师对系统字体的恐惧与吐槽。