And yes developer this is what reviews are for. They're for leaving information for others about the experience of using the app. "Makes the website it's for unusably slow" is useful information for other users. This isn't a technical or bug support request. It's a review of the functionality of the app.
Reviews tend to display herd behavior, reviews tend to display herd behavior, while the product is complex and hard to judge. The amount of daily uninstalls is low. This project was updated by over 200 volunteers. There might be a mystery bug only affecting 0.1% of users or 1% of Firefox version users - worth discovering, but depending on you writing a bug report..
I meant Mozilla has rules generally allowing to flag / remove this.
