Controversial Youtuber Ruben Sim also has some (also controversial) vids showcasing the bad stuff that happens on Roblox (Weird developers, moderators ignoring reports, weird/inappropriate groups and items not being removed, etc) [0-2]
This is the same person that was sued by Roblox in 2021[3] but that doesn't nullify the content he has been showing about all the shady shit that Roblox does.