midrand: I've got mixed feelings about Early Access. I think it became a bit of exploitation for getting early revenues and free beta testers at the same time. In the older days, Beta testers would get the early version of the game for free (and possibly some other rewards) as they are actually providing a service to the developer. Pre-orders for software were also not really acceptable. Nowadays the game is just "sold" and lo and behold a proportion of players become active beta testers.
On the other hand, prices of games (in general/on average) have reduced, or at least not increased (IMHO).
For a game like BG3, I was happy to pre-order EA simply to support Larian. I've had a quick peek and left the game, because I can really only afford to play it once properly due to time constraints - and I want to have a complete experience. Also, you must clearly be enjoying the combat side of things more to be able to contribute to early access - as you will be fighting the same battles and doing the same quests again and again. By the time you get to the full game, you will actually want to skip over all the EA contents and go straight into the sections which were left out.
The fact your first paragraph has to actually be explained to people is part of the problem. Larian has done something virtually no other Developer has done, to such a major degree, that it legitimately raises questions about business ethics.
I don't have a problem with Early Access / In Development programs.
I have a problem with the good faith they were created under being casually tossed to the side, as evidenced by the subsequent removal of any sort of incentive for the consumer to support the developer in the first place.
It's been replaced with mouthbreathing justifications of "shut up and don't buy it. You're lucky you can buy it at all right now". When those criticisms entirely miss the point of what a bad precedent Larian has set for the industry to further exploit.
Mindless consumer culture has pretty much assured we will eventually reach the point where it's actually considered absurd to offer your customers early access to a work in progress, at a reduced priced, or other such game content perks, because treating consumers like unpaid stockholm-beta-testers is just considered normal.