This really speaks to your ignorance regarding public interest law. Because cases that have little impact beyond pure Constitutional law often have little prof

This really speaks to your ignorance regarding public interest law. Because cases that have little impact beyond pure Constitutional law often have little profit upside, law clinics are one of the mechanisms by which such cases reach the appellate level and the Supreme Court. The students that work on them often go on to prestigious Federal clerkships, major law firms, etc. The law clinic at Yale, as one would expect, is extremely well-regarded.