The question probes a matter of considerable importance.
The question requires movement beyond understanding and studying - some kind of action or resolve - pointing toward the settlement of a challenge, the making of a choice or the forming of a decision.
The question cannot be answered by a quick and simple “yes” or “no” answer.
The question probably endures, shifts and evolves with time and changing conditions - offering a moving target in some respects.
The question may be unanswerable in the ultimate sense.
The question may frustrate the researcher, may prove arid rather than fertile and may evade the quest for clarity and understanding.