I'm sort of running on limited fuel -- it's 1:30am and I just got back from my vacation -- so I'll just be focusing primarily on the suggested rule change for this post. Other aspects of the thread I'll take a deeper look in to some time tomorrow.
Here's the current rule found in the
Toricredits Section Rules & Guidelines thread:
Originally Posted by Rule C.
C) Any user (including Verified TC Sellers) found to be selling Toricredits outside of the Toricredits board will receive immediate account suspension. This includes in private messages, the in-game servers, and all other platforms that are not the Toricredits board.
And here are the major points of as to why we currently do not allow TC sales to be made in-game, in PMs, or other platforms -- as well as a little snippet on why we have your threads auto-close:
.- IT'S THE FOOLPROOF METHOD
Yeah, yeah, I know this one's been heard a lot, but it doesn't hurt to reiterate this: a forum post is the only documentation we (the staff) have access to that cannot be doctored by a regular user. PMs can be hard-deleted and screenshots from Discord or in-game can be altered/edited, but a forum post is forever. 
- THE SYSTEM PROTECTS THE BUYERS
The Market Squad do their absolute best to verify where your TC sources come from, which is exactly why we require you to remake your selling thread every five days -- we like to make sure you aren't farming boosters, gaining TC through illegitimate sales ingame or other means.
We make sure that those duels you do are corroborated through games you played in your game history; we make sure that that 300,000TC you got from user123 was because you sold him a nice texture set; we make sure that your latest 17,000,000TC from imahacker69 wasn't from him exploiting TC into the economy.
The list could go on, but the point of this is to keep our sellers in check!
- THE SYSTEM PROTECTS THE SELLERS (yes, it does!)
reference: link
A little more than a year ago, multiple accounts of well-known users were hijacked and had a significant portion of their TC and items sold on the market -- completely unchecked. About $500 worth of items and TC were documented stolen, and it's definitely safe to assume that their were unreported incidents that occurred in PMs or in-game that we just couldn't find.
Now, with the current Toricredits board system in place, we ensure that you are the person who is requesting that your thread be put up to sell off your accumulated wealth -- not some scummy asshole who's accessed your account and wants to sell off all your items and TC before you even get the chance to report it.
To close, yes, there are
reasons on as to why we have these rules and guidelines in place. You may not appreciate them when they're annoying and you have to wait on your thread to be opened, but rest assured that this system was implemented entirely for the benefit of the community -- it's definitely more work on us since this system's been put into place.
Hopefully this post acts as a bit of an eye opener on why we have these rules. If there's any other questions or concerns regarding them, I'm more than happy to respond via a post in this thread, via forum PMs or via Discord DMs.