This is the reason I've moved away from ASUS laptops too, the G14 has soldered RAM. If you want normal arrow keys, SODIMM/M.2 slots, and decent specs other wise the System 76 Oryx and maybe a few others fit the criteria, but the System 76 is going to be the best for Linux.
Out of all the failure domains I've dealt with as a Sysadmin, the most common I've seen across all models has been failing memory which was neck in neck with failing fans on the active cooled items.
I can't justify buying something that doesn't have replaceable memory given how common that failure is.
