Jim Logajan writes:

Very probable - but it may also be the nature of the kinds of projects I've
been doing and my client's underlying motivation.

If you can restrict yourself to projects suitable for this philosophy, great.
The problem is that there are still a lot of projects that have to be done and
do not conform to this philosophy.

Generally a client who constantly changes the target will quickly become a
non-client in short order.

Not for people billing by the hour. A lot of consulting firms love such
clients.