The title is pretty self explanatory.
There are a few reasons for this, I have listed them in order of importance (from least to greatest.) I will include a TL;DR at the end of the three reasons to summerize for those who dont’t want to read it.
#3. First off, after #collaboration:asset-marketplace was removed, ROBLOX made it clear that we (developers) were not allowed to sell assets on the DevForum. While you could claim that developers are recieving ‘orders’ for these, they are selling a specific UI and code to every client. Even with modifications for every order, this is still ‘selling’ as the developer has a specific product.
#2. While you could argue that this applies to every line of code, these systems specifically have an increased chance for the developer (service provider) to steal the client (buyers) cookie, and account, allowing them to freely access group feature.
#1. Out of however many services there are in #collaboration:portfolios, I can safely say that >95% of these are just developers scamming other developers out of a free, open-source, API. I literally created a tutorial on how to do this, so that those looking for a way to do this dont have to get scammed, and yet, I still see new ‘rank management’ posts.
Reasons Summarized: (TL;DR)
#3: Selling assets is against the DevForum rules, those selling rank managment services dont custom make the API for any order. (Or even make the API at all - See Reason #1)
#2: Developers selling these services are not trustworthy by any means, and selling these type of services basically allows them to freely access many group features for clients using them.
#1: Almost every single rank management service being sold on the DevForum is a scam as it just uses an open-source/free API. (Literally look up ‘rank’ in portfolios and see for yourself.)
Note: Some rank management services are real and are custom made, but the fake services outweigh 99/1 the real services.
Making a rule against this would make ROBLOX a safer place (which by the way, I thought was ROBLOX’s goal ) as it eliminates scamming here on the DevForum.
Example of this rule: Providing a product/service, such as application/donation centers, chat commands, and any other form of this, that are used to change properties of group members (roles and join requests) are not allowed on the DevForum.