The most common and most likely answer to this crossword clue is the 8 letter word SHOPWORN
I've seen this crossword clue in Independent
S
H
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P
W
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More clues leading to the result SHOPWORN
Buddy explains!

The straight part
We know that "displayed too much?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case displayed too much? = shopworn.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SHOPWORN mean?
SHOPWORN adjective- Having been used, as a sample item in a retail store.
- Faded.
- Not fresh; tired or cliché.