Not sure about morality but yes it’s unethical and borderline illegal. If an elected body is planning legislations, actively blocking it means you’re suppressing the voice of the public and the voters.
This is reductive. When the Congress was writing cryptocurrency reporting rules, the crypto industry asking for clarifying amendments (to avoid classifying miners as exchanges) wasn't suppressing anyone's voice. It was supplementing it with specialist knowledge.
Privacy is a fundamental thing that's more important (and harder!) to protect than most things.
It's probably also a good idea to get a breadth of stakeholder's opinions on an issue. Lobbyists definitely have a massively outsized portion of this breadth.
https://en.wikipedia.org/wiki/History_of_lobbying_in_the_Uni...
Being conquered by a foreign power?
How does that relate?