I'm not a big export on notifications, but afaik on current Android there's OS level ways to turn off notifications. Eg. in the swipe-down thing if I tap-and-ho

I'm not a big export on notifications, but afaik on current Android there's OS level ways to turn off notifications. Eg. in the swipe-down thing if I tap-and-hold a FB notification, it offers to turn off all notifications of this category (eg. FB comment notifications). I just tried it.