The way it likely works is that SOP is to not visit or if you do don't "notice" stuff you can see from the air because if they use the GIS as their source they get to back date the fine to the date of the last GIS aerial photos and then use their magical powers of "we're the government, either sue us or bend over and take it" to let that fine stand unless they subject of the fine produces evidince of when they installed the offense which they then use to make the fine more defensible if the subject ever goes get in front of a real court.

That's how a lot of the worse municipalities roll in my state that is very politically similar.

Also, 9mo ago data centers weren't boogeymen the government wanted to flamboyantly turn the screws on make a "look we're serving your interests" show for the peasants.