We can get the best camera that our money can buy.
We can get the best camera that supports the type of work that we do.
I’d suggest that the latter “best camera” is the “best camera”.
But how do we know which camera is best?
If you know your process, you’ll know.
If you don’t know your process, just pay attention to what you do as a photographer.
Your process will drive your choice of tool (camera).
An efficient cook doesn’t use a chainsaw to slice a carrot.