She asked if they could wait, and he framed it in a way as though she's denying her husband to be his rights.The Sheikh has not lied in his advice but it could have been delivered in more detail. Social media is not the best platform to give Dawah, too many folk with an axe to grind.
It is not compulsory but he could have emphasised how it is reasonable to show patience and empathy to a virgin bride. It doesn't take seven days to deflower a virgin but what is the harm in putting a woman's anxiety at ease if she is worried?
This isn't a case of a married woman asking to not sleep with her man. If he answered that way, it would make sense.
Honestly, a bit of emotional intelligence would go a long way.