I'd be very interested to know how the Strawman Index went when controlled for technology, or maybe just a few stocks like APT and Tesla (which I think are grossly overvalued and will drop).
Most small caps ARE terrible investments. Certainly high risk. And you can definitely find some great opportunities among the large caps.
We all need to be careful with generalisations.
If you are after some more nuance to my perspective, I'll point you to an excellent article written by Matt, which I strongly agree with: