It bears repeating:
Even though the public's response is typically one of denial, and their reaction is not one that attempts to understand deeper causes, it is equally unsound to go too far in the other direction that corrupt is intent on doing by distorting the facts about the shooter himself, as if he were secretly somehow ideologically in league with the corrupt ideology, just nobody knew about it. Where is the evidence for the bold claims on the front page? Where is the evidence that he had all the thoughts he is portrayed to have? It is bold speculation, and nothing better than that.
The more reasonable thing to say about this is less focused on the shooter himself. The evidence says he is someone that has grown up without any value for human life. The better question to ask is: how is this possible, and what is within our power to improve any conditions that may have contributed to his creation? Then, you give your story about the degradation of values in modern society, that in our alienated lives we no longer share in any sense of community and so have lost our values, right down to the value of human life. There are no inherent values to appeal to - in our corrupt way of living, we have undermined a foundation that goes very deep, to the value of humanity itself.
If you have not been lost in the modern machine yourself, you would say no more about the shooter than what I have said, for I am not interested in raising up the mental state of someone that sees it fit to shoot students at a catering school. He is to be condemned regardless of the apathy and fear around you; however, the background story is importantly different, for it is correct to say we should try to look deeper into the general conditions that effect all of us, including these shooters.
Corrupt's distortion is just as unstomachable as the major news media's, and will alienate the reasonable minds corrupt hopes to attract.
In short: the shooter did not want to communicate anything to anybody. He didn't care. If you think he wanted to, then he would care about his audience, which would contradict his obvious total misanthropy, his hatred of everyone and himself. The whole world can go to shit for all he cares. It is more important to focus on what WE learn from events like this.