Originally Posted by fatz
If the non-compete is written correctly and isn't overly broad in terms of scope, geographical area and time, it certainly can and would be enforced.
Mowing grass, while a profession, does not fall under the category of, say, chemical engineering . Now, if you have systems/methods in place that can be convincing enough to be considered IP, then have at it. A person's ability to earn a living will prevail over anything that is less than that, especially for a general skill/knowledge job.