Insurance companies study every day. Are they brainwashing?
You haven't been brainwashed for so many years, but you don't know the meaning of brainwashing. Insurance has a morning meeting every morning, clothing stores have lectures every morning, and hotels have summaries every morning. Now many companies have to do some inspiring things in the morning, not to mention this sales industry.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.