I have read that in the last months the extension has not worked for a few people and that's what tanked the star rating. Still, being on the search for this type of tool I tried it myself (on Google and Reddit) and was actually surprised it does work.

At the moment of review I have just downloaded it a couple minutes ago so won't know for sure about bugs or other stuff (I'd update the review), but I'm sure the developers can benefit from some positivity since the ext actually does work. Thanks for the hard work!