Mary Lou McDonald ‘deeply regrets’ statement after Niall O Donnghaile resigned

The speaker expresses deep regret for causing distress to a young person through comments made about Niall's exit. The matter was referred to authorities for safeguarding, and Niall faced significant consequences, including the end of his political career. The speaker reflects on the situation, acknowledging that the statement should not have been made, considering the impact on the young person involved.

What were the consequences faced by Niall as mentioned in the text?

In hindsight, what does the speaker believe about the statement made?