Sorry, SJ, but apparently I'm just not making clear enough statements. I will try to do better, but this is the last time I'm going to - I just don't have the time.
This has absolutely nothing to do with rule change proposals or the process that ensues, sometimes culminating in a new rule or a change to an existing one. I said nothing regarding the frequency of rule changes, which has nothing to do with anything at all, here or anywhere else.
Yes, when a rule is made, it is documented in the help pages and when a rule is changed, existing help pages or parts of them need to be changed to correctly document the new conditions. Perhaps the most recent changes to formatting rules predates your joining, but there was extensive discussion of the changes at the time. After the new rules were implemented, a few new help pages were added to document them. These help pages included links to each other, as well as to the previously existing pages that document coding. Some of the previously existing pages link to a how-to page by Rob Ton, a member who made the page for non-geek members to learn to do it more easily than it was set out in the help pages. Some previously existing pages (and maybe the new pages - I don't remember for sure) linked to a Wikipedia page documenting wiki code. This set of pages can serve as Exhibit A of what I'm talking about. It is a convoluted mess, with something said here contradicting what is said there and links from all these pages to each other that end up taking frustrated users in never ending circles.
Please don't tell me to make a suggestion to improve the help pages - on this in particular or in general, since this is but one example of the problem that I find rampant throughout the help section. You are wrongfully assuming that I did not do so in the past - several times and in several different ways, all through proper channels.