Simultaneous pairs, 6♥ doubled -1. NS -200.
N/S were not playing a two-suited defence. North was a client, South a pro, North's pass over 4♠ was slow which South readily agreed, West reserving his rights. At the end South said that with a four loser hand his 5♦ bid was obvious, hesitation or not.
West asked for a ruling. How would you rule?

At the time of the 5♦ bid there was merely a reserving of rights and agreement over the hesitation. But when dummy appeared, West said that this was unacceptable and they would definitely be needing the TD at the end. After the TD was given the facts and had gone away West starting criticising North, saying her bidding was unfair and wrong and she must not do this.
What do you think of this?
West asked for a ruling. How would you rule?
At the time of the 5♦ bid there was merely a reserving of rights and agreement over the hesitation. But when dummy appeared, West said that this was unacceptable and they would definitely be needing the TD at the end. After the TD was given the facts and had gone away West starting criticising North, saying her bidding was unfair and wrong and she must not do this.
What do you think of this?