Would you trade the relative comfort of living in a tenement in a major city to living out in the middle of nowhere in a sod house? Many of our ancestors did.
Going to a new continent overflowing with untapped natural resources, food and free land, is quite different than landing on a barren planet where every single thing keeping you alive has to be imported from earth.
They may be interesting and exciting places to visit, but I sure wouldn’t want to be stuck in a glassed in hut waiting on the next multi-billion dollar rocket to return with a pallet of food, water, oxygen, TP, duct tape, and the latest from Netflix.