So do I, and it's so obviously unethical you'd think everyone would agree.
You would think so.
Also, people do this to me too, asking for detailed advice to treat their room, when all along they plan to DIY or buy from one of the companies that sell cheap knock-offs of my products.
The only justification for this behavior is short-sighted egocentric selfishness.
Once the dealers and experts are gone, they will be stuck with only the online sellers. No demos, no expert advice, no assistance if things go wrong, etc.
Even Alex doesn't want this world - no more free ride at the expense of others.