I’ve spent the last 15 years working in cryptography. I’m now running a startup making quantum computers. I know my customers :)
Switching to one-time-pads is easier said than done. Upgrading to PQC will be complicated and difficult, and there is a lot of recorded historical messages.
Everyone will switch to one-time pads if you released it publicly. And you'd have to be very patriotic to give it secretly to the government.