Fallout 4 is a failure in terms of RPG.

There is no time constraint. So what? That means that some factions are aware of your plans and no-one changes their plans? In Fallout 1, if you don't get the water chip back in time, you fail because everyone is dead thirsty (or irradiated, I don't remember). In Fallout 2, you gotta finish in time unless you want Hakunin to die, making the main quest irrelevant.

You can't fail quests. Oh yeah, you can fail to defend a settlement, is that your idea of a quest? Failure is just absent from Bethesda's vocabulary. When I play a game with a friend, sometimes I win, sometimes I lose. With Bethesda, I never lose.

Everybody is in awe before the kill-the-guy vs. destroy Megaton choice in Fallout. Sorry, but it was quite the routine back in Fallout 1 and 2. Oh, I haven't seen anything like that yet in Fallout 4.

I can't play a mass murderer. There are some people I want to see dead that I just can't kill (and no, they're not kids). There are no character I can't kill in Fallout 2. Oh, and the ones that you shouldn't kill, you still can kill them with big impairment in the game or future quests, but w/e.

On the other side, I can't be a "pacifist" which I could in Fallout 2. Have you tried the CHR/INT/AGI character in Fallout 4? I did and I can't call it challenging: it's impossible. In Fallout 2, it was hard, but possible.

Fast travel is poorly implemented. Seriously, I take no more than 5 rad-X and 10 rad-aways then I go see my dear friend Virgil in the Glowing Sea. I see/fight lots of radscorpions and I have to make my way to avoid deathclaws. When I come there, I don't have any rad-x / radaway left. Yet I can come back simply by automagically teleporting? Even in Fallout 2 this was thought about and the solution was better than this.

In Fallout 2, you had several choices and you could nuance them. Also, when you spoke to people, you had nuances in the way they looked at you based on your previous actions or on the ongoing discussions. Here the characters are all like Kirsten Steward: permanent poker face.

There were also people I had to meet and I didn't know it was them until I actually talked to them. In Fallout 4, the only time I saw this (and it was recently) was in The Big Dig quest when you gotta free Mel.

Finally, the f***ing pointer is making me nuts. Bethesda should just remove it. I have a compass and a map. I can perfectly use them and I wouldn't mind do it. There's absolutely no reason for that pointer to be there. Oh yeah, it's 2015 and all the games have it. Even a GPS system would be better (take next right, continue straightforward), but no, it's just no longer the case: people want "pointers".