Although the author phrases it as "70+ hours a week", my assumption is it's not the hours per week that he doesn't want to commit to it, but the total hours involved that it's going to require to solve the situation.
Whether that's 70 per week or 5 hours per month, the total amount of hours needed is going to be x,00 or x,000 - and that's time he simply thinks is not a priority or valuable to him.
