I think the argument is less that their lawsuits were sound and would not have been dismissed if not for Giuliani, and more that they were on the cusp of hiring someone--anyone--who could file a real lawsuit that wouldn't be dismissed, before Rudy's antics scared off everyone above the level of ambulance-chasing TV lawyer from their staff.
So it's less, "Oh no, all our perfect lawsuits!" and more, "Oh no, all the perfect lawsuits we could have filed if we could have hired anyone who knew what they were doing!"
So it's less, "Oh no, all our perfect lawsuits!" and more, "Oh no, all the perfect lawsuits we could have filed if we could have hired anyone who knew what they were doing!"