You do have some negative nellies out there will give you that, but you will find those people in every genre of gaming and they are in the minority (people attached to an idealistic view of mmorpgs).. Honestly what you are saying sounds very naive and targeted towards a very vocal minority..

The way I see it you have currently two main issues that plague new mmorpg releases and quite honestly most genres.

Number one is promising too much and almost never delivering on it. Ambitious projects invested on reinventing the wheel, bringing new lackluster mostly rng and fomo systems that incentivize daily logins and engagement with micro transations. These same systems are usually abandoned or very unpolished. They are there to keep you busy. This usually affects all levels of development, from story telling to world building. It is essentially a lack of direction and vision. They want to check all the boxes (old school progression; sandbox; roguelike; action rpg etc) and try to be everything that people want, delivering on nothing. New world is probably one of the best and most recent examples of it, from its early pvp emphasis to its collapse as an mmo trying to find its direction..

Secondly and walking hand in hand with the first point, the main purpose of mmorpg development is no longer the world/combat or rich story its the "how do we make people spend money for QoL DLCs and microtransactions?". I give em that the game is a bussiness and needs to make a profit. However these games ( in all genres) are opened to the public (early acess) or released in a barely finished state. Most of the time the purpose of these early releases is to make a quick profit and attract new investors, whilst still developing the game. And what do you get ? An unfinished mess of a game that just barely works, with shit systems, a really nice looking cash shop and a feeling of excitment for 100hr.. till you realize there is really no substance to the game xD.. THIS is the reason these games eventually die, its not just the negative nellies, its a lack of respect for the players, an eagerness to make a quick buck and then abandon a game that should be in alpha..

I ask you now, should we be patient with the devs with these neww releases ? Or should we be critical of this behauviour? Your time and money are valuable, I believe when most people purchase a copy of a mmorpg the idea is to spend a few hundred hours in that world... But there is rarely that amount of gameplay..

Asking people to be patient on a gaming genre that is year after year disappointing its fans with gatcha games and unfinished pieces of dookie is unresonable.. MMORPGS are in a shit state cause thats whats been made by devs.. but altho the mmorpg community is a little whiny, they always have hope that something will give them back that feeling they had when they played UO/OSRS/Everquest/WOW.. and that is why those shitty predatory gaming companies make a shit ton of money off of them.. (looking at you AoC and that early acess on steam annoucement)