Yup, agreed with all of this.

Even though Sundance may arrive at the same conclusion that there is a global elitist group controlling, robbing, and depopulating the planet, he may not see the plan in operation to defeat that group and a path forward afterwards.

The most important benefit realized from following Q is hope for the future with the knowledge that if the lights go out, WH are in control. Anyone not following Q could easily end up panicked and depressed.