Especially considering that sometimes people do actually recommend products which they've found helpful. It might be obvious if the response is saying that you

Especially considering that sometimes people do actually recommend products which they've found helpful. It might be obvious if the response is saying that you should buy some very specific brand of flat-head screwdriver because you clearly just need any functional flat-head screwdriver. But what about computer components? Or a router? Some things like this will genuinely perform better than others, especially once circumstances are defined. An educated review, complete with product suggestion, can indeed be very helpful and, unfortunately, impossible to distinguish from an advertisement.