If you miss Exposition, all your EP will be converted to story points so you'll just miss out on the opportunity to make customizations to your package.
As for launch, the risks are greater. If you're an absentee aristocrat, you'll like be voted out of office. If you're an absentee count or duke, you'll likely face a Casus Belli challenge. And if you're just a simple proprietor, you could face adverse possession issues where someone can claim your land because you failed to show up at least once every 30 days, not to mention get robbed of all your belongings.
So there will be some consequences, undoubtedly.