You seem to be confusing personal views and what they express as part of their job.
- Deciding what kind of case law they specialize in
- Deciding where to work
- Deciding how the work should be done
This whole article is about how Harvard is encouraging lawyers to ignore any professional responsibility in favour of monetary compensation.
These are 100%, or close to it, personal decisions.
The other decisions all involve, in some portion, personal views as to what's right and wrong.