The MSI Prestige 15 should be seen as an entry-level notebook for creative pros with more demanding needs like coders, game developers, and video editors.
The MSI Creator Z16 is a laptop marketed towards content creators but actually works better as a hybrid device for creatives and gamers. It's a great laptop, but this middle ground means it doesn't particularly excel at either, instead, sitting the fence as a middling alternative for folks looking for a single device for work and play.