New MacBooks have their memory soldered directly to the main board and don’t have an extra m.2 port. There are very few windows laptops that meet both of those criteria. But like I said, even in those cases you can install games on an external drive.
No it’s not, unless they have a MacBook. And even in that case it’s not hard to find an external SSD with a thunderbolt or USB3.2 interface.
There are plenty of PC laptops with drives that aren’t easy to upgrade, it ain’t just MacBooks anymore.
New MacBooks have their memory soldered directly to the main board and don’t have an extra m.2 port. There are very few windows laptops that meet both of those criteria. But like I said, even in those cases you can install games on an external drive.