This. You have to call a bully's possible bluff when you can do so on a shoestring.
They may seem to have unlimited resources, but a legal dept doesn't actually have a bottomless budget, and it has to demonstrate ROI to the CFO's office.
Many attorneys you might consult won't realize this, because they can't conceive of a scenario where you don't need maximal legal representation. When your only tool is a hammer, every problem looks like... :-)