It’s a bit silly to berate a customer for their use of ‘it’s easy’ and then use it yourself. ‘It was sarcastic’ and ‘it was a language issue’ are weak excuses.

It’s a bit silly to berate a customer for their use of ‘it’s easy’ and then use it yourself. ‘It was sarcastic’ and ‘it was a language issue’ are weak excuses. It’s just poor form, why make an excuse in the first place? You can just say this was a mistake and try to be better next time.