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Hello, how are you? The caustics effect is very exaggerated, the caustics in products have to be as real as possible. Of course, unless you want an artistic effect, which I believe is not the case. So he would have to be more discreet so he wouldn't be so blown away.
to be honest, I like these caustics a lot, they work better than regular shadows instead, for composition like this one (commercial message - a product with claim/brand) they nicely blend product into an overall composition and gives me an idea of where the ground is. Imagine that You used dark shadows instead of bright light patterns - the shadow will vanish and the product will cut off from the composition way more strongly. Of course, caustics are quite strong but I think that this helps to sold the message.