A recent tweet from tipster Ice universe has arguably explained what Samsung could be planning in terms of naming the phablets that are part of its upcoming Galaxy Note 10 lineup. The four models, which are differentiated by two sizes and whether they come with 5G or not, could end up being called the Samsung Galaxy Note 10e and the Samsung Galaxy Note 10 Pro.
https://www.notebookcheck.net/Rumor-states-there-will-be-a-Pro-version-of-the-Samsung-Galaxy-Note-10.417390.0.html
I think I know why they're diversifying a niche product line now, it's a de facto price increase.