Consuming media without further participation in life may be meaningless, but to assert that they're inherently meaningless is nonsense. Many people are perfectly capable to grasping ideas in the abstract and then implementing them in reality.
I tend to intellectualise this way of looking at depression (and how to get out of it - how to just get out the damn house!) as related to the Symbol Grounding Problem [2], in a semi-serious, semi-metaphorical way.
[1] https://en.wikipedia.org/wiki/Fingerspitzengef%C3%BChl [2] http://www.socphilinfo.org/node/100
Depression is a son of a bitch that I have also known at times and it really is as hard and as easy as just doing anything at all.