Inconsiderately leaving incense around, in a display of devotion (8)

I believe the answer is:

idolatry

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'display of devotion' is the definition.
'idolatry' can be an answer for 'devotion' (synonyms). I'm not certain of the 'display of' bit.

'inconsiderately leaving incense around' is the wordplay.
'leaving' indicates named letters should be taken away.
'around' indicates anagramming the letters.
'inconsiderately' with 'incense' taken out is 'oidratly'.
'oidratly' anagrammed gives 'IDOLATRY'.

'in a' acts as a link.

Can you help me to learn more?

(Other definitions for idolatry that I've seen before include "Worship of carved images" , "Excessive adoration" , "Graven image worship" , "Worship of godly images" , "Icon worship" .)

I've seen this clue in The Irish Times.

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