Correction: None of which are bad/illegal/immoral _right now_. The "I have nothing to hide" crowd will surely change their tune the moment any of their data starts to be used against them.
The government can have completely arbitrary motivations and enact laws that punish people for the sake of punishment or just outright dismantle democracy by making it illegal to criticize politicians, something that is already happening in Germany.
Communication wasn't digitally indexed and recorded forever, historically, and something intimate I whisper to a lover or very close friends doesn't ever need to see the light of day.
The guise that there's a predator out there, trying to cocerce 13 year old children to have sex with them is a good cover by the government to gain this control, because how do we refuse that? Won't somebody think of the children? So we have to acknowledge that yes, there are bad people out there, and no, I don't support Prince Andrew or the Epstein class, but at the same time, in the history of government and abuses of power, Chat control is going to be used against you and I, and not the Epstein class.