I swear there must be one person at Mozilla with power and a massive sunk cost complex surrounding their pocket acquisition. if they actually cared, it wouldn't be built-in and so offensively un-disableable.
On uselessness - it’s my primary offline reader - have it installed on an eink boox device and send 20-30 articles per week from the browser to the boox.
I love a lot of their stuff like the containers and local translation but pocket is just spam.