People in the past used to at the very least communicate what mobs they are going to CC. But yes, people talked, and dungeons and such were more than just cakewalks so it did require communication to be effective most of the time. That's because the game used to be designed around that stuff, but now people can just do their rotation, everyone has these abilities that hit everything around them, and stuff just dies, and you get to the end and you get your loot, thus no one talks because there's no incentive. It's kind of like, if I play Overwatch, and I'm playing competitive mode and I'm with people who are trying to win, they're going to be much more likely to communicate because that increases your ability to win. If I'm playing Storm Rising on normal difficulty then no one is going to communicate because there's no reason to, and that's more like what dungeons are like now. I'm sure mythic raiding and certain levels of mythic+ dungeons still require and incentivise communication however, but it's no longer commonplace and certainly not something experienced by players leveling up. And this creates a huge wall for new players after they hit max level and want to progress beyond mindless dungeon runs.
Maybe for kids growing up, but that's not really true. Today almost every game gives practically instant gratification. I don't understand how an adult 15 years ago is any more busy today than before, there wasn't some paradigm shift in that regard. If anything I would say it used to be harder to find a game that people could consistently play, but now most games are built to be "evergreen", or replayable due to long term goals (such as competitive ranking) and constant content updates (like additional character skin unlocks). If nothing else, games will have DLC that brings players back to the game by spending a little more money, which requires a lot less time and resources to create than an entire new game.Human lives got busier since 2004.
Can you explain how it is not? The duration of dungeons has decreased immensely, world quests can be done in a very short amount of time, a lot of content like warfronts are only available once a month or so, and that gives you plenty of time that you don't need to play the game. Also when you go to do it, it only takes like 10-15 minutes and you get your guaranteed tier 3 reward. There's even LFR which allows you to raid very easily, and you only have to do one wing at a time. Epic battlegrounds are a separate queue now, so if you're tighter on time you don't have things like AV in your random pool to queue for. Battlegrounds like Warsong are on a timer now, so it's no longer possible that matches will be dragged out for an hour. What do you think is something you can't do due to being busy?current Wow needs to cater to the needs of busy people.