The right issue is harder because it requires tracing request metadata through multiple precedence and configuration paths, correcting merge behavior without breaking existing tag authorization semantics, and adding regression coverage. The left issue is an underspecified report with no defined implementation scope.

#35130 requires tracing and modifying shared logging, response-cost, and pricing behavior, with regression coverage to avoid affecting normal completion billing. #30120 has insufficient technical detail and appears primarily a triage or reproduction task, so its implementation scope is much smaller.

The left issue requires tracing and modifying Vertex AI upload configuration resolution across global, per-model, and environment-backed settings, while preserving existing logging behavior and adding regression coverage across deployment paths. The right issue lacks actionable reproduction details and is primarily an initial diagnosis or support triage task.