The matching functions seem to have bugs. Very often, after merges are completed they still hang around on the pending list until someone makes a post here, like yours. Then an admin goes and fixes it.
I don't think the matchbot is completing the merges - that's what gives the default approval after 30 days of inaction by a profile manager of one of the profiles being proposed for merge. I suspect that someone - a real live WikiTree member completed the merge, but it's just still sitting there.
If you change the category of your post to WikiTree Tech and add the tags: "bug", "merges" and "admin" to it, it's likely to get faster attention.
THANX for posting about this seemingly never-ending problem!