> Oh, they may well give you bad time if your phone looks like a burner with too little content.

Issuing 'burner phones' and laptops to staff visiting countries such as China or the USA is now SOP for many companies handling sensitive data, including mine.

Don't think this isn't unusual.

Exactly, these people making shit up about border crossings are either doing so in bad faith or haven’t done a lot of international business travel.