Probably because the reply was written by someone without technical skills.
I’ve written to politicians over the years about technical matters and it’s uniformly either a clearly form response or an inaccurate summation of the technical risks, if I’m been charitable because they don’t understand them either.
At a certain point it begins to feel pointless.
> At a certain point it begins to feel pointless.
I think you're right that they are incompetent. The point is not to make them understand it, but rather to make them see that enough people care. The problem is that most people don't write, so the politicians don't see that they care. Same thing for companies. How many GrapheneOS users say "well when it stops working, I just move to another service, and if there is none, then I live without the service entirely". That way the companies never see that there is a need.