We've all wondered what kinds of shady things might go down behind the scenes at big companies—unethical practices, sneaky overcharges, or even just the questionable ways they treat their employees. But unless you're an insider, you rarely get the full scoop. Until now. Recently, someone on Reddit posed the question: "People who are no longer bound by NDAs, what juicy secrets can you expose?" And these ex-employees did not hold back . Over 6.4k people chimed in, sharing some of the most juicy i…