I know they are but, just to confirm…

[Spudalumps]

The one on the right looks okay?

It’s got maybe three rows of threads flattened do you recon it would damage the frame?

 

[Antwack]

It’s got maybe three rows of threads flattened do you recon it would damage the frame?

Can’t you run a needle file over them?

 

[Spudalumps]

good idea

 

[FluffyChicken]

The NDS often do that, not all have thread that go that deep.
It'll be fine.
The drive side shouldn't really be like that, but if it screws in would be fine. Could add a bit of easy release threadlock type stuff (some bb call it anti vibration..)