And if everyone else's time has become more valuable then too has the time that is being saved by buying services.
If my time as a programmer is worth significantly more now than it was 25 years ago, then the time I save by buying services is worth more.
There's a reason that someone making $1mil/year is going to be willing to pay more for the exact same haircut that someone making $70k/year also gets. The time being saved is worth more to them.