For me the simple fact is that England's attack has not been good enough. Defence is also a worry as it has dropped off from it's previous highs, but attack is more worrying. Since the world cup England have looked toothless. Now the key is breaking open the defence and you can do this in a number of ways. (I might be missing some, but these are the obvious ways for me.)
1. Set plays from a set piece - Issues with lineouts and scrums have meant that England have no had a reliable set piece from which to attack from.
2. Kicking - This has worked for England and keeps the pressure on the opposition, but is not a reliable tactic. You need players to kick extremely well and chasers to compete effectively. Also you give up possession and that allows the opponents to dictate the pace of the game. I also find it a very negative tactic. This seemed to be EJ's tactics and it worked for one 6Ns, then teams compensated. Might be more legitimate with new rules though.
3. Manipulate the defence - move your attack around until there is space to exploit by tying in defenders. England seem to try this, but then never really exploit the territory they create. For me the issue is 9, 10, 12 and 13. Often they don't all seem to be on the same page, or if Faz is at 12, the whole thing slows down. This is of course is Youngs gets the ball away quickly in the first place.
4. Have a decoy runner to suck in defenders. Manu was excellent at this, he would create space. Binny used to, but now it seems like defences are not as worried about him. Even then England struggle to make the most of the opportunities or it's too obvious to read.
5. Have a power runner to break the gainline and open space. Manu and Billy again were England's men to do this. However as above there is no one really filling that role now.
6. Off-loading, disrupt the opponents defensive line by having off-loading to a player. England have never really been good at this imo. Yes they can do it, but again it never seems to be effective.
7. Individual bits of brilliance (We seem to have relied on this, example May against France last year).
For me while England are competent in the set piece, we haven't been strong enough to use it as a consistent platform, so while we can attack off it, it is not are consistent tactic to be relied on to score.
I think almost everyone is fed up of kicking. England have not been kicking effectively for a while and majority of the time it feels like hoping something will happen because they are out of options. The area where we really seem to struggle is creating attacking options in open play using 3,4, 5 and 6. Our distribution is too slow, especially with Youngs and Faz to take advantage of moving the defence around. We haven't got any truly threatening runners right now to suck in defenders or make that line break. As for off-loading as i said we've never been massively effective at it and often we don't off-load when we should and off-load when we shouldn't.
The key for me here are the same positions everyone has been talking about for a while 8, 9, 10, 12 & 13. We have poor players at 8, 9 and 10. 12 & 13 are a mess with no consistency. When Lawrence did get a chance the ball wasn't passed to him. I still think it is Jones' tactics. He's got England playing negative, percentage rugby with almost zero ambition. How many times have there been opportunities or overlaps and Farrell has kicked it high to compete. I think he's been told to do that because while the overlap might work, it might also lead to a turn over. It's insane because these players should be good enough to exploit those gaps and surely the percentage of success is higher than a 50/50 kick. Yet time and time again we've seen England take the safe route. He seems to pick people primarily based on their defensive stats, because for him defence comes first. However there is no point having a strong defence if you can't score.
Basically as long as this is the brand of rugby Jones wants to play then it's almost irrelevant who gets picked. Case and point, Lawrence. He was picked to do a role and was never given the ball. It is irrelevant how good he is if he is never actually allowed to play.