On: I Had My Electronics Seized by U.S. Customs and Bo...

[angry_octet]

It means, at the very minimum, a massive pain in the ass. Quite likely you will have significant difficulty gaining a visa.

[dwightgunning → angry_octet]

OK. Seems the salient point is that once you've been denied entry once, returning in future becomes more challenging.

That'll be the case regardless of whether you've been eligible for ESTAs or had to obtain visas via embassies in the past.

The "banned from ESTA" phrasing had me scratching my head.