The video lacks specifics and the lawyer in the video indicates that searches here have only come into play in follow-up investigations (FBI agents storming the house with guns drawn needs explanation for instance (for example, did they have a valid warrant or reasonably believe there was an emergency?). Government officials must have performed a search (or seizure) of one's "person, house, papers or effects" to have implicated the Fourth Amendment. Generally, a "search" must involve violating one's "reasonable expectation of privacy" which is determined based on the specific facts of the circumstances.
By this action, government is using a police power to take from me a use of my personal effects without my permission. Effectively, it is a violation of property rights, that my communications are not being used in the way that I intend. Nor do I wish to hear that I gave "permission" when I chose to communicate over a network when the language was buried twelve miles deep in legalese because the service I used was coerced by State licensure.