In my experience, I have found the least intelligent people to also be the most vocal, which makes it look like they are overrepresented in the population.
It’s not just “assumed”. There have been numerous studies that people with better social networks and resources around them are much more likely to succeed. It’s not surprising at all
Make sure you understand volume block size before you start using it. It has a big impact on compression, performance and even disk utilization. In certain configurations you may be surprised to find out as much as 25% of your disk space (in addition to parity) is effectively gone and it is untrivial to change the block size after the fact.