I mean, I don't think "reflexively opposing" is really a good thing, ever
in this case though "reflexively opposing" and "opposing on merit" would (as far as I know) yield the same outcome, so it's functionally the same thing.
I don't hate Trump's nominee's because I hate Trump, I hate them because they're antithetical to a working government.
It's on https://www.thefarside.com/ today as one of the "Selections of classic The Far Side comics." Comic says ©1984, but doesn't give a specific date (an image on reddit suggests 4/6/84).