And there is another old saying we learned when we about in the 1st grade. Namely, do not put all of your eggs in one basket.
There are a lot of AI eggs in the Stock and Bond market basket today.
True enough, but some investments must be on a massive scale if they are to achieve returns. A few dozen bucks can buy a model rocket, but it took billions for Space-X to make reusable boosters after decades of others failing to do it.