I'd have to take issue with this.
The forums migrated from vBulletin to the current Discourse software some three years ago, and initially I hated the new version. Part of that was simply because it was unfamiliar, and part of it was because there really were a lot of issues with it at that time. However, improvements have been made, and I have become used to the platform. There are still some problems, mainly on the Admin side, but the forum itself I find very usable. I prefer to use keyboard navigation, and Discourse has built-in shortcuts which make this easy.
There are a number of threads around aimed at helping new members familiarise themselves with Discourse, and also the "Discobot" tutorials. If you can explain where you're finding difficulties, I'm sure we could provide assistance.