Listening to Alice's explanation, Hualing couldn't help but find it unbelievable.
Yet at the same time, she couldn't deny the fact that most sects or clans would then choose to hide their trump cards.
Even though they may be in an alliance on the surface, there were still brewing conflicts where the eyes don't see.
If an enemy family were to find out about their trump card, they could plan against it easily.
A great example was what the families managed to accomplish during the Phoenix Dragon Gathering. They managed to gather information about the current state of the sect disciples, their trump cards and weaknesses.
Using that, they easily swept through the competition.
So while Alice's method was… definitely aggressive in nature, it was probably the best way to get the enemy to show her everything they've got.