Complex sentence: He is famously known for his press conference on September 28,2015, declaring his and Jed York's incompetence, and by doing so fired himself and convinced his sock puppet Jed York to follow suit.
Split into simpler sentences: He is famously known for his press conference on September 28,2015, declaring his and Jed York's incompetence. By doing so fired himself and convinced his sock puppet Jed York to follow suit.