I tend to agree with @Simon-q having the point name in any popup/notification would be a lot more informative than just a number.
Distinguishing between via & shaping points in this regard is IMO a nonsense, they are all points & should be treated the same, making a distinction just adds useless complexity.
What I also think would be useful & might make the numbers a bit more meaningful is if the option to "Show Next Waypoint Information" actually did what it says.
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At present I believe this option only shows the point information when within a certain distance of the point.
If the point name was shown immediately after the previous point was passed, then the user would have time & maybe able to associate this point name with the number on the waypoint/skip button.
If the user selects to see the next point name show it to them, don't hide it with some hidden filter. IMO this is a poor design choice.