This is literally a non-issue if your IT department is modestly competent
"They could sell it to hackers in Thailand" or he could get robbed on SF streets while going to the office to please some dum-dum manager.
Among concerns with remote work, this one seems pretty far down the list.
Not to mention the legal ramifications. If your company IP is so critical that the legal consequences are not enough, you probably have other controls in place and it isn’t just sitting on an employee’s laptop.
This is a fear that remote work would somehow not provide value, not a fact. The perhaps unconscious choice of adjectives - "reliable" seems particularly indicative of a fear. If one isn't in a high security requirement field where things like usb ports are locked down even in office, why is there worry about data exposure with remote vs in office work?
Which is a real thing. The CEO I cofounded a small business with always had these level of "can they destroy our business" questions for me about foreign contractors he wanted to hire. I always said the same thing - "we have common-sense controls in place for our size, but at the end of the day, you have to trust the people you hire to be successful."
He never did stop the paranoia though.