The article you linked calls it insider trading and not front running. In addition, the issue discussed in the article is about making company information publi

The article you linked calls it insider trading and not front running. In addition, the issue discussed in the article is about making company information public earlier to a select group of people (which is insider trading). However, most HFT (particularly market makers) do no care about this and rely only market data provided directly from the exchanges. This data is provided fairly to everyone.