You can choose your battles. There's no need or obligation to take on all targets, and the legal strategy of first pursuing a tractable, or even sympathetic (to your interests) target is well established.

The cyberstalking industry has many players. Most are small. A target-rich environment.

Shifting the investment or financing calculus, via increased investor risk, possibly including legal liability, would be huge.

So we need an organization like EFF for that.