Because it’s a fun hobby to build systems capable of doing that and seeing just how loud you can get them, granted my group is the only one in town that only uses them deep in agricultural fields so we dont burst people’s eardrums. Regarding people that use them in cities, especially at night, i am absolutely with you.
Tasks are one of the few things i still do on paper, to me it’s like reading a book; ya just cant beat the feeling of paper; also you can’t just close the app; it will remain hanged on the wall, judging you from afar