Like, I’m not spewing it at every second of the day, but saying what city I’m in is very inconsequential when my phone records my exact location down to the building

Will the feds be able to track you with your phone effortlessly? Absolutely! However, this will likely not be the case if it’s a random chud looking for a based person to attack. In that case, seeing you mention your city on social media is going to be a lot more useful to the fash stalker, since it’s not like they have access to the logs of your ISP or the servers of websites you visit.