[larrik]

Lawyers and consultants bill by the hour.

More hours == more money.

While their value to the customer may be lower, their value to the firm is likely right on target.

[dredmorbius]

There's some movement toward outcomes-based payment even in these fields, particularly in corporate law. Not commonplace for personal legal support yet though.

[einhverfr]

The more productive you are, the more you can charge.