No the reason for these types of structures is simply to prevent passive leaks of information which is a far more common occurrence. Any large business is frequ

No the reason for these types of structures is simply to prevent passive leaks of information which is a far more common occurrence. Any large business is frequently visited by vendors and agencies who also work with others in the industry. Similarly, if you're presenting externally, it's a good idea to close open applications that are not relevant to prevent info leaks from Alt-Tabbing. Actually having a competitor pay someone to come into your office to pick locks etc. is rare, comes with criminal liability and is easily detectable on security cameras.