Earlier quoted context omitted.
It's not exclusive to Priceline, and it's called Opaque pricing: https://en.wikipedia.org/wiki/Opaque_travel_inventory Basically, in exchange for a lower price, the hotel guest gives up their right to choose which hotel they want to stay at. And for the hotel, they get to sell lower priced rooms without advertising lower prices, enabling them to engage in price discrimination so they don't lose out on the people will…
What "kind of guest" does this attract? I sometimes do this, especially in ski towns. I also sometimes negotiate at rural hotels to get a fade rate. Do hotels hate me?
It would be unreasonable for a hotel to hate you just for asking for a negotiated rate, but hotels (and any business) will hate you for being annoying, especially when they bring up stupid reasons like "well I paid $x in nowhere, kansas"....