Reasons to change this:

• There's a vast discrepancy in terms of how often you "edit" a wiki page versus any other actions from that menu: all actions are not equal
• There's a discoverability issue for new users: every wiki platform makes it very easy to edit a page, that's the more important feature after all: you shouldn't have to hunt around for that button (I had to the first time - where did the Edit button go, am I not allowed to edit this page?)
• The lack of a preeminent edit button can mislead users into thinking they are not allowed to edit this page or that the page is not editable
• It makes editing a page a "bigger deal" than it should be
• It adds friction: 2 clicks vs 1

Note that putting a "shortcut" pen icon on the left of the Actions button would barely take any more space not make the UI feel cluttered IMO.