protectionism doesn’t mean communism and globalism doesn’t mean capitalism
Capitalism requires an economic frontier for continuous growth, which necessitates extraterritorial expansion. Communism requires home rule and self-sufficient domestic industry, which necessitates protectionism.
They are different terms for a reason.
One describes a broad philosophy and the other describes a tool of policy. Might as well say Plumber and Pipe are different terms for a reason.