Along with Horacio Verbitsky, Nicolás Casullo and others created Espacio Carta Abierta ("Open Letter Spot"), a propagandistic group in defense of the Kirchner government, in 2008, after an attempt to raise taxes on agricultural exports led to large street protests.

[4] He also had a small incursion in television as presenter of "Grandes pensadores del siglo XX" ("Greatest thinkers of 20th-century") in Encuentro, in years 2009–2010.

[6] In June 2014, the position of "Secretary of Strategic Coordination of National Thought" was created by the Kirchner administration and Forster was named its first office holder.

The Secretary was given the task to "design, coordinate and instrument a factory of National Thought" and its creation and Forster's naming were criticised by the opposition but applauded by Carta Abierta.

In his works he develops his thinking on diverse subjects, which include political philosophy, nihilism, the entire concept of essay (topic of his doctoral dissertation), and social sciences in general.