A lot of people should hear this advice about a great many things. Made a bad investment? Don't blame the company, the government, the exchange, or the economy. Blame yourself for making a bad decision. Too many people think they can do whatever dumb thing they want and if it doesn't go perfectly they can find someone to blame.
Personal responsibility matters, but addiction isn’t just a series of bad decisions - it’s a real disorder. Blaming the individual without acknowledging that some systems are designed to exploit people misses the full picture.