Totally agree! Everything except earning money, eating, fucking and sleeping is a waste of time.
To be honest, unless you have some intended use for significantly more money(a particular project for example, more luxurious lifestyle, etc ), once you have enough for FIRE(financial independence retire early) at say $500~K annual dividend income from investments, earning more money is probably a waste of time. Unless you take enjoyment out of what you do to earn more money once you reach FIRE, if the additional money is just going to sit as a passive asset the rest of your life, doing something that you don't enjoy for it is probably not worth it.
Generally, I do think it would be more useful to listen to his 2 hour podcast than to play videogames for 2 hours, because there is always something to be learned in the podcasts. Another good one that's good for some information is London Real.
What you said about games could easily be said for watching some movies, watching some TV series or reading some fiction books.
learning is not the only important thing, enjoyment is also a good use of time even if you don't learn anything. In fact I would say other activities are only useful in so much as they allow you to gain time to do what you enjoy doing.
Unless someone uses excessive time gaming or neglects their real world needs, I don't think gaming is a problem.
Even the argument about "productivity" is nuanced. Video games can (and usually do) involve problem solving and memory-related tasks. They can also help improve attention span.
Yes the person could do something like learning the skills for a high skill high pay activity which could drastically improve their lives. But not only do a large number of people lack the IQ or talent to perform at a high level, but if those that could do so did so wages would go down for many of these skills from adding millions of additional workers.
For there to be those that win there must be those that lose. If everyone's a millionaire no one is. Why? Because money becomes devalued. Either wages go down or if everyone earns a high wage the value of the currency drops through inflation.
The access to jobs and opportunities for those that give the extra mile, is exponentially easier thanks to most not giving the extra mile, and their rewards are more the greater because they are rare, they are the exception. If giving the extra mile was common, the rewards for it would tend to be significantly lower in general.
Anyone who's focused on getting ahead in almost any field should be greatful for how common lower productivity is. If most people were highly productive, there would be higher competition for particular positions, higher number of start ups, higher number of high skill individuals, and it would devalue the value of having high skills for most.