POTUS is withholding all sorts of information from us, and it is right for him to do so, and that does not necessarily constitute lying. He is doubtless privy to all sorts of potentially dangerous information, including info that would easily result in civil and international war if released to the public.
For example there is little doubt in my mind that Big T has full knowledge of exactly who killed JFK and how, but suddenly letting the public know could result in violent and widespread social disorder. And what if WWII really was instigated by American globalists? Wouldn’t it be better to wait till that generation of heroes has passed before releasing the truth, rather than destroy them in their old age with the knowledge of the real reason they fought and suffered and their buddies died?
Q said that eventually the public would be told 40% of the truth. (Later he may have revised that promise up to 60%.) My understanding of that promise was that to expose everyone to the full horror of the true reality of how world affairs have been controlled behind the scenes would destroy people's mental wellbeing and lead to widespread violence and societal collapse.
So, I believe POTUS is always withholding the full truth of many matters from us, but that is very different to lying. Even with regards to the current pandemic, he has said several things indicating that he knows it is largely a scam on the part of his enemies. Nevertheless he is going along with their version of reality in this specific instance by bigly waging war on coronavirus, and winning!—using their own weapon against them and beating them with it!