Because it's the standard terminal browser, and it works well for reading the vast majority of web content that I care about in the terminal. No one is saying

Because it's the standard terminal browser, and it works well for reading the vast majority of web content that I care about in the terminal. No one is saying to design for Lynx; while in the minority, much more than the "incredibly small" Lynx community cares about websites degrading to better than a blank screen when Javascript is either turned off or broken.