Lia makes several good points. I know a handful of hotel goers (both staffers and guests).
Some are alone, and this is the only normal option.
Some are working, so that’s obvious.
Some are very rich, also self-explanatory.
But no matter what the reason, understand this: no matter how good the hechsher, no matter how many promises the hosts make, you are compromising on the kashrus you could have had at home. Not pure chometz at the seder c’v, but chumras (like not using things that fall on the floor, only using things that are peeled) or bigger no-nos (kitchen staff not washing their hands /brushing their teeth after eating their pure chometz food, Uncle Milton bringing to the dining room “his own knaidlach, ’cause the one the hotel makes give him gas”, and then taking Uncle Milton’s plate back to the dishwasher and giving it to YOU the next meal)
All those things, are part and parcel of the hotel experience. Sounds far-fetched? Ask someone who’s been there.