MP, Robodupe, Ver 33
I thought it mildly odd that responder would use Stayman and then give up on the possibility of a Spade fit. Punting 6N may be right, but why ask about Hearts on the way? Just gives info to the opponents.
A few reached 7S, here was one example:
Not saying that 7S is a bad contract at single dummy. I don't have a strong opinion on that. Too complicated for my poor brain to evaluate, but my instinct says that it is close. But I think that it could have been worse, and the leap to 7S seems precipitous, to me. Obviously a comfortable make as the cards lie.
On a similar theme some poor soul failed to check the meanings of the bids before committing:
Leaving aside South's error, that still leave's North's leap to 7 worthy of thought.

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ing) tr. v. - Any bid made by bridge player with which partner disagrees.