Effect.withSpan adds a span to all effects in managedRuntime

Is this intended behavior? https://effect.website/play#34e5487d06c6
Running once

managedRuntime.runtimeEffect.pipe(Effect.withSpan("foo"))

managedRuntime.runtimeEffect.pipe(Effect.withSpan("foo"))

adds the "foo" span to all effects executed with

managedRuntime

managedRuntime

Effect.withSpan adds a span to all effects in managedRuntime - Effect Community