Exactly, that's what I was wondering too, and asked in this forum then.
I paid full price back then. No regrets!
They seem to be subtle at first sight by just adding a little "look". But that's what matters.
I have been asked what the Cinegrain Pipeline LUTs do to the image.
Well, here you are...
Shot on Alexa LF Prores444 _#_ Resolve ACEScct -> Rec709
Alexa IDT, ungraded:
fuji3510
kodak_gold
kodak2383a
kodak2395
polaroid_70
kodak_gold and kodak_universal_print combined