He ignored his father’s advice and was then rewarded for his carelessness. I don’t see that as a good thing. If he suffers due to his carelessness he will learn not to be so careless. Of course, I’ve been making the same dumb mistakes over and over
for 30 years so I could be wrong. :-)
He admitted his mistake and was cautioned, in the reply, to take care of his possessions. ( “Just remember, what Sensei Wu said: keep your minifigures protected like the Weapons of Spinjitzu! And of course, always listen to your dad.” )
We’re discussing a seven year old. They lose things. They make bad choices. They disobey. This one owned up to it. It is perfectly legitimate for a company to choose to be generous when they believe it appropriate to do so.
LEGO is being generous with LEGO’s money. That is LEGO’s prerogative.