Wikipedia:Articles for deletion/Escalator etiquette
There are a surprising number of good sources on this topic, both already included in the article as well as being presented by Clarityfiend above.  I was originally going to agree with the above suggestions of merging to the appropriate section of the Escalator article, however, taking a look over there shows that article is already pretty lengthy.  With that in mind, as well as the good amount of sources, having this topic as its own article seems like a reasonable 
— User:Rorshacma, 18:21, 4 October 2019 (UTC)
Stance: keep
Cited policy: WP:SPLIT (Wikipedia:Splitting)