Complex sentence: It differs from the latter by its manner in dealing with mass media where alternative media does not seek to infiltrate the dominant by a quick tactic; it attempts to oppose it by proposing what its name suggests: an alternative to the dominant.
Split into simpler sentences: It differs from the latter by its manner in dealing with mass media. Alternative media does not seek to infiltrate the dominant by a quick tactic; it attempts to oppose it by proposing what its name suggests: an alternative to the dominant.