Without such a lottery, the dorm's identity will be ripped away. Community will be lost. Response Upperclass persons who need to have that choice can choose to live with upperclass persons. You are taking this away from them. The stress of rush is more than offset by the chance to meet people.
German house offers singles.
Freshmen will choose to live there if only to get the single. The numbers you call for do not exist. The combination of President Vest's decision, the new residence hall, and the Task Force report gives us the opportunity to make significant changes to improve the system. The demographics for MIT have changed a great deal over the last 30 years. The freshman and their RA simply need to be in reasonable proximity.