This is more like the latter. There aren't many signs of us hitting the bottom thus far.
The current GOP doesn't flinch when their candidate is found guilty of SA, with a long history of fraud and embezzlement. If Trump approved a simple burglary of a Democrat's office, it would barely make the news at this point.
Not all infinitessimals are equal, just as not all infinities are equal.
No, the decision to use executive fiat to normalize dictatorship is not undertaken because of the absence of support for the policy, but because of presence of support for normalizing dictatorship and avoiding the public in-advance debate of the legislative process.
b) Impeachment is a political action; plenty of politicians can disagree with portions of their party's legislature enough to vote against it without saying "I'd like to burn down my party's control of the government (and thereby my career) over this".
