Yes, strange, like many other oddities that any competent R&D department would have sorted before releasing a new model.
It does 6 Additional Commands and 6 Favorites to a screen so why not 6 Activities or 6 Devices?
Logi know about it but don't seem to think it's simple to fix and won't be doing anything about it.
What other adjustments do you need to Activities?
You can at least specify the order in which they appear on the screen.