Squeezing 100 people into this thing for a multi-month journey continues to give me pause. It has smaller internal volume than the ISS, which has never had more than 9 people, and it was considered uncomfortably crowded when that happened.
Starship has 825 m3 habitable volume vs 9.3m3 for the Dragon Crew, which carries 4 people. That's 3.5x more volume per person. Yes it is a 6-month flight vs 6-day flight (tops), but i believe the volume is good enough.