What's something that seems obvious within your profession, but the general public seems to misunderstand?

Infosec, offensive security.

No I can't get into your Ex's social media.

Which actually means it would probably end up being a multi-stage multi-day engagement that would require cross discipline techniques and for me to commit multiple felonies across several different, state lines, over telecommunications lines, international borders, not to mention how many three letter agencies, all so you can see who he's fucking now.

Can I what? No.