In addition, if they have a strong case and a law firm believes they could gain more than their fees, they'll often still take the case.
In other words: Do not let the idea of vague "legal fees" scare you off from pursuing a genuine grievance. At least consult with a few law firms.
This is the primary basis that California used to disqualify non-executive non-competes (before they were outright legislated out).
The legal basis for voiding contracts is "unconscionability".
There was no equitable value, which directly led into economic restraint and servitude arguments.
> The legal basis for voiding contracts is "unconscionability".
Not sure what you're referring to here, but you should review "balance of contract" and "fair and equitable terms" in US and California contract law.