Per @MMiller_WMF finding:
hewiki has a different tab order for editors selection (VE and wikitext) which causes the blue dot (to guide newcomers to click on VE) be placed on the wikitext editor:
(in English)
Note: In two other RTL wikis - arwiki and fawiki - do not have the issue: the order of tabs is different from hewiki (following RTL ordrer of LTR version).
arwiki | fawiki |