Because timezones were a result of town specific clocks, which were a result of people liking certain hours happening generally in line with where the sun is, like "noon" which still technically refers to when the sun is at its highest point.
Sort of. Jail is where people not privileged enough to afford bail await trial. And sometimes lesser sentences like if they're under a year or in relation to a misdemeanor are served.
Thru exist but they're all several hundred dollars and 480 GB for some reason.