The President is worried about the world getting nuked, spies, destabilization, economy, and more. A lawyer is the LEAST of their worries and, honestly, shouldn’t be worried unless they breach the duties of their position.
In the end, they are a representative of US. They are still a person, albeit with a ton of power, but a person who represents a country. They are human and should be subject to all of the same laws. So should all forms of government (Legislative and Judicial). Just because we provide you with our voice doesn’t mean you get to not be held accountable when you misrepresent or flat out do illegal shit.