The news article explores the ongoing issue of China's military aircraft frequently engaging in "dangerous behaviors" within Japanese airspace. These actions are alarming Japan's self-defense forces who are tasked with intercepting the flights. The report explores the possible motivations behind these activities, including strategic and political reasons such as asserting sovereignty over disputed territories. The frequency and nature of these incidents indicate a rising tension between the two nations.

In Japan, these actions by China's military aircraft are of significant concern due to their impact on national security and sovereignty. The Japanese population values the peaceful resolution of territorial disputes and respects international laws and norms. Therefore, these perceived aggressive acts by China serve to heighten the public concern about the intention of such activities and their potential threat to Japan's safety.

When comparing this issue to the US or EU, it's similar to Russian military aircraft entering NATO airspace, which is considered a breach of international law, causing tension and eliciting defensive countermeasures. It is seen as a potent symbol of national sovereignty and typically generates serious diplomatic responses.