Softening feedback feels considerate. Research consistently shows it makes the feedback useless. Most of what we call kindness in professional and personal relationships is self-protection dressed up as generosity.
The cultural premium on nuanced thinking has produced a generation of people who can see every side of every question and act on none of them. Nuance, performed rather than applied, is paralysis with intellectual credentials.
Carefully examining your reasons for a decision reliably makes those decisions worse. The assumption that more self-reflection leads to better choices is one of the most empirically challenged pieces of folk wisdom in circulation.