As with most things in life, moderation is key.

I find co-pilot primarily useful as an auto-complete tool to save keystrokes when writing predictable context driven code.

Writing an enum class in one window? Co-pilot can use that context to auto complete usage in other windows. Writing a unit test suite? Co-pilot can scaffold your next test case for you with a simple tab keystroke.

Especially in the case of dynamic languages, co-pilot nicely compliments your intellisense