In this passage, God is addressing Ezekiel, preparing him for the difficult task of prophesying to the people of Israel. The irony presented is that Ezekiel is not being sent to foreign nations with unfamiliar languages, where one might expect communication barriers. Instead, he is sent to his own people, who speak his language but are unwilling to listen. This highlights a common human tendency to resist messages that challenge or convict us, especially when they come from familiar sources.
The verse underscores the idea that sometimes those who are closest to us, who share our culture and language, can be the most resistant to change. It suggests that outsiders, who might be expected to be less receptive due to cultural or linguistic differences, could actually be more open to hearing and accepting God's message. This can be seen as a call to remain steadfast and faithful in delivering God's word, even when facing rejection or indifference from those we expect to understand us best. It also serves as a reminder of the universal reach of God's message, which can find receptive hearts in unexpected places.