I've definitely turned into the paranoid nutcase within my friend group in recent years, I hate that everything is "smart" nowadays requiring an app/internet connection & account, just to do basic things that didn't require any of that before.
What's some things currently making you ramble like an old man?
12 hours a day, 6 days a week, 4 weeks a month works out to 288 hours, so yeah that sounds about right for some of these places.
Not uncommon for a first year associate to bill out enough to cover their entire yearly salary in the first quarter and the rest of the year is just profit for the firm.