It used to be that if during a specific GOG promotion you went to a specific promotional page featuring a collection of different but similar titles, you could expect to see some kind of discount if you purchased all of the titles listed on that page. The discount would be specifically listed at the top. Now you can see a collection of games like "Our Favorite Action Games" and it will have this listed at the top "80 % off your selection", but when you select all of the games at once, the listing changes to "61 % off your selection". This is NOT the first time this has happened. This clearly meets the legal standard for bait-and-switch.
https://en.wikipedia.org/wiki/Bait-and-switch "First, customers are "baited" by merchants's advertising products or services at a low price, but when customers visit the store, they discover that the advertised goods either are not available or are not as good as expected, or the customers are pressured by sales people to consider similar, but higher-priced, items ("switching")."
I remember back when GOG actually was interested in attracting users by having great sales. Where collections of games were the price they were originally listed at, and where you could always expect collections of games to have a higher reduction in promotional price if you bought all of them together. Now you people seem to think we are stupid or something. That throwing a bunch of games into a collection has some specific special appeal because PC Gamer or some random Youtube celebrity put their stamp of approval on it, never reducing the actual prices any further than the normal sale prices. Not only that, you continue to make the same egregious errors as in previous sales. Either offer us real legitimate collections of games at even more reduced prices, if you buy everything at once, or stop putting them into fake collections completely.
For a supposedly pro-consumer digital distribution service, you certainly seem to have had a whole lot of anti-customer behavior during the recent GOG Promotions.