I can’t work out if you’re damning it or endorsing it really. A bit of both? There are some well balanced criticisms and defences though.
Despite the pejorative connotation of the term, a 2011 correlational study conducted by Georgetown University entitled “The Dynamics of Cause Engagement” determined that so-called slacktivists are indeed “more likely to take meaningful actions.”
http://mashable.com/2011/10/24/slactivism-cause-engagement/
Confirmation bias on my part.