Desktops is relatively low growth and Intel holds a lot os sway with major integrators. There are about a handful of AMD offers at Dell or Lenovo and dozens of Intel ones.
Voting with wallets counts, people! If you want to see more AMD laptops, buy them!
My current laptop- an HP Pavilion 2000 has an AMD APU as well- but it's from like a decade ago and it's been showing it's age for quite a while, and I needed something newer.
Ryzen 5 3550H, BTW