Who knows we could see lowly Squires appear in these places.
Not supposed to happen. By the time a "lowly Squire" have the points to reach top 5 or top 10 places he/she would have been already promoted to higher ranks, not longer a Squire.
Edit:
Ranks are aligned to Trophy Points, right? And Trophy Points are won after completing x number of likes/reactions and for y number messages posts.
On the other hand, the Boards are for Most Points, Most Messages, and More Reactions (Likes).
It is natural to raise ranks while increasing points, likes and number of messages. There is no way to remain as a Squire and at the same time beat someone with a rank of Marquis or Emperor at the boards.
How fast a current "lowly Squire" reach a top 5 or top 10 position is depending to each forum member and his/her participation and the quality of his./her posts.