What was the intent of the media?
This is obviously open to interpretation, but to me I see the intent being that all these tools for creative expression are being combined/squashed/pressed into this thing which is very thin. That's why they chose the press. They also chose the press because it looks visually interesting, they are trying to make a fun ad.
I really can't imagine that anyone in that ad was trying to imply that the iPad destroys those objects, or that those objects should be destroyed, or are now valueless. They are saying that this device contains the functionality of all these big items squashed into one crazy tiny thing. Amazement at what it can do, NOT a desire to destroy or make obsolete real pianos.
From that viewpoint, it's clear they VERY clumsily applied a metaphor (combining + crushing into the iPad) with a visually fun thing (the explosions), resulting in people thinking they want to destroy pianos.
But importantly (if one takes the above as true, which you may not), you can't then say that the ad is trying to "tell that those tools are valueless, obsolete, objects of ridicule", that's not the intent of the author.
But if you want to infer values of the company from an ad, and say things like "Apple wants to destroy pianos", then considering the intent of the author is absolutely relevant.
The problem with the ad is in the semiotics -- the visual language of the ad was all about succession _through destruction_. The message was "all these things, that represent _good_ memories and experiences you've had, are now destroyed." And at the very end they show you a brief shot of the new iPad.
Where the hell were the focus groups on this one?
But no! They thought it was more fun to destroy everything. They wanted to make porn. They wanted to make their own little snuff movie.
And nobody in what one imagines to be a long chain of command, felt physically sick watching it.
You cannot ignore the impact of artistic decisions and processes when considering a piece of work, and calling that a "lack of media literacy" is grossly oversimplifying artistic analysis. Intent is important, but so is the impact on the audience. Art is a conversation between artist and audience, and as pointed out by the article and the other comments here in the thread, the message missed for a significant percentage of the audience.
Did you miss the many colours of "blood" dripping from the crusher's jaws?
I have spent most of my childhood dreaming that someday, maybe, I would own a prime photo lens and a trumpet.
To see a big company make a mockery of those artefacts of human creativity almost makes me cry (it actually hurts a little).