I cannot advise on lawsuits, but I can outline the known issue and consumer rights pathways.
Xbox 360 "Open Tray" / "Unreadable Disc" epidemic—Hitachi, Lite‑On, and BenQ drives suffer laser drift, spindle wear, and magnet weakening. Affects all models, worst on early units (2005–2008).
Consult a consumer rights attorney for case evaluation. Most offer free initial consultations.