Considering it's a trilogy, I think £30 would have been just about right, but, let's be honest, they were never going to sell it for just that.
I bought the Deluxe edition for the PS4 then Intermission for the PS5 so there was no chance of me buying the Epic Games version. I have all my FF games on Steam and the modding community among a few other reasons is why I'll wait for a steam copy. I've bought 2-3 things from Epic before but I really don't want 1 of my copies on another platform for this series.
I don't mind it being in parts myself since we get so much more game if we compare it to the original, but it's already been discussed here how people don't like not having the entire story in 1 release.