... after looking at this thread full of people willing to pay as much then
There are a number of posts supporting the higher price, just as there are a number of posts against the higher prices.
That hardly qualifies as a thread full.
With all due respect
There's not much 'respect' evident in this statement :
you clearly are blind to your consumer's desires or just don't have a very strong desire to make money.
Maybe GOG has taken into account information that you and I don't have access to ?