I suppose because some people just wish to brag or boast? Or, a novice may not be so financially competent, I know it took a bit of knowledge and education on my part (especially figuring out fact from opinion/fiction).
It's good to know that most on this forum do not fall into the statistics where 20% (1 in 5) people would struggle to come up with $1000 to deal with emergencies and 1 in 3 spend ever cent they earn! Well done!