it's right there in the first section:

   highlighting notable advancements in ARM-based Systems-on-Chip (SoCs) and their increasing competitiveness against traditional x86 platforms.

Not discussing x86 doesn't highlight their competitiveness. It might be a useful article for some, but for most of us the N100 is a better option overall for everything we might look at a SoC for. YMMV of course, I haven't seen a N100 SoC (I've also never looked), but complete N100 systems that are ready to work are similar prices to an ARM SoC after you buy the non-optional extras like case, disk, and power supply.

It also misses the other end - many things people think of SoC for could be done with a ESP32 or other micro controller for less cost, and this might be a better option.

I'm not completely faulting them, you have to set limits someplace. However the limits they have make this summary less useful for most people who will read it.