I wouldn't say that the modern world has a culture, which I would loosely define as an ambient social environment which helps inform our relationships with one another and our broader context, such as nature and other such embodied realities. In other words, a culture is something like the collective equivalent of the human body.
Instead what we have is a hyper-fragmented schizoid self-referential network of coping mechanisms. The coping mechanism part is rather apparent with digital entertainment, but social media also largely serves as cope for people who do not have any agency in their life, by giving them the illusion of doing something useful by debating with other people. To be more explicit about the other terms:
Hyper-fragmented because each digital "community" is stuck in its own bubble, isolated from one another, but more importantly, isolated from the outside Reality
Schizoid because the "culture" of the modern world is almost exclusively experienced through a disembodied mind, i.e. the virtual
Self-referential because so much media refers exclusively to other media and rarely beyond itself: real life, and especially, life outside the cages of society and the self-obsessed self
We can sense that what we have is not a culture because everything feels so rootless, so disconnected from other things. Your workplace is like a tunnel for your time, energy and attention, which you enter and exit every day, and which has very little connection with other aspects of your life. All the other main aspects of modern life are similar, which leads the private world to become increasingly desertified: health, friends, family, enjoyment and rest become neglected because they are separate from the productive aspects of the modern world. As such, genuinely healthy people, i.e. not just in their body but also in their emotions, mind, relationships and we could even say their soul, are incredibly rare. Health cannot be uncoupled from your environment, and the ones we have in the modern world are simply not geared for the wellbeing of individuals.
The point of all this is that I think the vast majority of people (everyone?) ultimately craves for roots, for meaningful and lasting connection, not the hyper-virtual, disconnected and disembodied world that is increasingly becoming our reality. And as pessimistic as it may sound, those roots don't grow over night, they take time and cannot be forced. The idea of "organic" might apply to human collectives even more so than food, and this is one of the major reasons why I do not believe in the staying power of the modern world. Alienation, meaninglessness, disembodiment and loneliness are simply not sustainable, no matter how many layers of technology and systems you add on top.