Hm, the publication has content. And you said, it says "poll", so interested users would know they can visit the page and participate.
Type of issue
IV generated for non-target page
Reported
Jun 15, 2017
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And it's doesn't qualifies as auxiliary widget from checklist — this site doesn't have polls in most articles and this specific article even says "poll" in it's headline. https://instantview.telegram.org/checklist#6-8-3-auxiliary-widgets