Surprised so many don't see an issue. It is about treating people with respect. FFS he must have had to fend off hundred of stupid questions. He answers so aggressively as if spoiling for fight and seems like he thinks the world is against him.
His answer about being 'able to handle himself' was also so inappropriate when he clearly reacted to an innocent collision.
Genuinely don't think any manager has the charm and honesty of Koeman. Actually worth listening to