Whether it works or not (most likely not), it takes you less than a minute for each banned account. And if Niantic staff are doing their job, they must review each one. This takes a lot of time and resources. They are working very hard and successfully banning a lot of cheaters right now, but how long can they sustain this? They have to work on new content and service the millions of legit players. Not to mention review the legit appeals as well, as you never know, their system could falsely ban someone. So just remember to do your part, and for the future of PoGo botting, always appeal appeal appeal!