Even if you take an old established media, like literature, you can trivially read all the classics by the time you are 30.
Saying that about gaming industry, which is barely 50 year old, is a joke.
One can only say that when they no idea what "high standards" actually means.
I don't think this is true, at least not for an ordinary person, unless you're dedicating your life to it (hardly trivial) or ploughing your way through for the sake of completion rather than absorbing them intellectually and emotionally. Writers like Joyce can be difficult to even parse if you're trying to read their work quickly, and to truly understand it you'll probably need to engage with secondary sources. And then there's the likes of Proust, which aren't exactly difficult to read but are extremely long (and probably won't do much for you unless you take your time with them). There's no objectively valid set of 'classics' but we're talking about certainly hundreds and arguably thousands of books. A book a week every single week from the age of 15-30 would do it if we're taking about a medium-sized set of classics...
Some time ago I started playing all the games that to me felt worthwhile to play in roughly chronological order.
I think the project is overall quite different than "reading all the classics" though - a lot of old games have aged pretty poorly so I can either skip them or abandon after giving them a fair shot.
I'm currently roughly in the 2000-2010 era of games. (It's not pure chronological, because I tend to sort play order by console, then by series, then by year.)
Or spend a lifetime reading and re-reading them non-trivially.
"My definition of a great story has nothing to do with 'a varied and interesting background.' It is: One that can be read with pleasure by a cultivated reader and reread with increasing pleasure."
- Gene Wolfe