From June 28th, 2021 to April 4th, 2022, 33% user give 5-star rating, 33% user give 2-star rating, 33% user give 1-star rating. for Web Journey Manager - Beta chrome extension.
It is badly broken and has been for a few years now. Not only is in broken, but it will break your website too.
If you were actually capable of utilizing it, then it is useful. However, I was never successfully able to so now my web journey's take way too long to setup.
Web Journey Manager can really speed up the Web Journey creation process in ObservePoint. It's not perfect because of how dynamic CSS Selectors are, but it can help you build 90% of your web journey very quickly and reduce a lot of headache. After you record it, you may have to tweak some selectors, but you will have saved a lot of time.