That's a good point. And particularly in immigration (and I think I recall in this very form - the DS-160) which has such questions such as "Are you a communist?" and "Are you a terrorist or have you ever sympathized with them?" which are clearly intended for the purpose you describe: to catch you in a lie and prosecute you for that even if not for something else.
I suppose the analogous technique here is whether you delete content they've already recorded. Though it could be simpler, and they're just trying to cause an unforced error where someone fails to make a profile public, creating an avenue to reject them even if it were perfectly fine otherwise.
Am I a terrorist or have I ever sympathized with them? Does singing old IRA songs after a couple of pints of Guinness count? If so, it's well I'm not filling out a DS-160.
I suppose the analogous technique here is whether you delete content they've already recorded. Though it could be simpler, and they're just trying to cause an unforced error where someone fails to make a profile public, creating an avenue to reject them even if it were perfectly fine otherwise.