From a performance standpoint, this makes complete sense but at the expense of price. The above article highlights the minimum requirements that Microsoft is pushing for Windows 11 to OEMs with a deadline of 2023. Honestly though, I am not against this move. Assuming that a reasonable quality SSD is being utilized, this could potentially provide a better user experience to the consumer.
I cannot remember the last time I used an HDD as the main boot drive for a computing system like a laptop.