The use of a service is inherently subjective, meaning that several persons experiencing a service would each experience it uniquely.
Case studies use as data the impressions and judgments of the evaluator, which are inherently subjective.
Experts consider both terms problematic as definitions of "true" and "full" are inherently subjective (see Green economics for more on these problems).
No, art is inherently subjective so why throw lots of money at non-elected people who get to decide?
The quality of a translation is inherently subjective, there is no objective or quantifiable "good."
Except in the case of property recently sold, valuation has some inherently subjective aspects.
But then there are many strong opinions about how to mark something as inherently subjective as art.
Goodness and badness are an inherently subjective declaration, however.
"When someone selects their own data, it is inherently subjective."
Of course, numbers can never resolve the inherently subjective question of cultural health.