When I was younger, I collected Star Wars items, but I would really think twice before I collect this kind of ... hrm ... "art".
Here in Germany and during the last 40 years, it happened several times that the cleaning staff in museums of modern & contemporary art "misunderstood" some pieces of art and simply threw it into the dustbins, dumpsters or garbage skips. ...
And because the urban garbage collectors arrived much earlier in the morning than the museum's directors, the "art" was gone. ...
So now, there is also this modern German proverb: "Ist das Kunst oder kann das weg?" (=> "Is this art or can we throw it away?")
On the one hand, It is a pity for our problematic German appreciation of modern art but on the other hand, when the garbage collectors and the cleaning staff are no more able to distinguish between art and garbage, it is also difficult to explain if such misunderstandings are rather a problem of the low quality of modern German art or of the high quality of modern German garbage ...