I am irked by Review SPAM, that is, reviews which are posted to promote a product and not to critique it. Review SPAM dilutes the value of reviews and costs me

I am irked by Review SPAM, that is, reviews which are posted to promote a product and not to critique it. Review SPAM dilutes the value of reviews and costs me time and effort to sort out the wheat from the chaff. There is probably a market (at Amazon and elsewhere) for a product that flags Review SPAM for removal.