For real though, DW makes a good point in that you can still gain privacy from the outside world if you're a small-time mixer user not engaging in serious crime.
Have you read about stolen bitcoins in the past few years? There was even a $40m worth of bitcoin theft with Binance (about 4,000 BTC), and AFAIK they used this service to obfuscate themselves. They aren't caught yet. Maybe those that do get caught, don't use it properly.