So going through the steps of disabling package-quickstart etc didn't fix the problem.
For now the work-around for me seems to be to explicitly call LaTeX-mode which I can live with given that I do not write as much TeX as I used to in the past. -- Thanks, --Raman(I Search, I Find, I Misplace, I Research) ♉ Id: kg:/m/0285kf1 🦮 LOC: https://id.loc.gov/authorities/names/n97059241.html -- Thanks, --Raman(I Search, I Find, I Misplace, I Research) ♉ Id: kg:/m/0285kf1 🦮 LOC: https://id.loc.gov/authorities/names/n97059241.html