It’s one of those human things to do something with the path of least resistance and danger, especially when there is a reward at the end. I could make enemies never drop their aggro on players and force them to fight every single mob, but I don’t see that as a viable solution right now.
I think the better solution is to look at why people are skipping things, and approach from a different angle. Trash mobs have too much HP, and can’t be counted on for lucrative drops from a Risk/Time vs Reward, so people interested in making money (most groups) aren’t incentivized to do it, whereas the end chest/boss are more guaranteed and accountable returns on time and risk. I also think there is something to be said about interesting trash mob mechanics making them more enjoyable of a fight.
I can’t make the rewards from trash mobs so lucrative though that people just farm the first couple trash mobs/boss in a dungeon and then rinse/repeat. We encountered this when people just farmed the first boss in an instance and then restarted it (earlier around launch time), and we had to adjust the content as a result. It’s a fine line you have to walk to encourage players to get to the end, but make the process of getting there rewarding enough as well.
I don’t imagine this next update will resolve all the skipping behavior. The path of least resistance is engrained in people, and even if I do everything I could to incentivize people, there will still be those who skip stuff. I have been fixing exploits that will require players to complete more of the events in dungeons, but I am sure people will still skip what they can to get to their end goal.
For now I would encourage those not looking to skip to find some folks who don’t like skipping and make a guild with them… or maybe look for guilds that are dedicated to not skipping, and tag along with them. I’m in a couple of them (anonymously), and it really is an effective solution to playing the game the way you want to play it: Find other people with similar interests and band together with them.