In theory this makes sense, but reviews all suggested that the price proposition for the APUs didn't really work and now AMD has released a laptop part that fills the same niche. DIY folks won't be able to get their hands on the laptop part right away but presumably soon? It just seems kind of odd to release something that outperforms your own product in the same segment.
The 8600G/8700G are installed to normal AM5 socket and can be swapped. The laptop parts are socketed and are not going to be available in the AM5 market.
This isn't my niche but this makes sense at face value. I couldn't find any sales data for either processor but maybe the DIY market is bigger than I know.