3DPrinting

It's not just you, there's a financial incentive to write "reviews" which convince the reader to immediately buy the product, because of referral links. Even disregarding that the fact that it takes much more time and knowledge to write an actual unbiased review, you'll most likely earn less money as you might dissuade readers from buying it, or even if you just make them think a bit more before going through with the purchase and they end up buying the printer somewhere else. I've started referring to these kind of pages as "fake reviews", it plagues almost every product category and it has made it very unreliable to use the internet for buying advice.

Though I suppose it's even worse for 3d printing, as some manufacturers have been known to pay youtubers for positive reviews and to lie about their competitor's printers. And even the ones who don't get cash in the hand still have some incentive to bias their reviews, as pointing out a printer's flaws or recommending to buy something else would make them less likely to receive more free products to review in the future.