After therapy last night when I learned about this, I looked it up to verify what the professional community thinks about it. I came across these articles.

Is it ever OK for a therapist to snoop on clients online?
Do Therapists Ever Google Their Patients? | HuffPost Life

Don't you guys think that therapy is about what the client brings into the therapy room? It's not about therapists doing detective work. A lot of therapy is taking time to build rapport, trust, and safety while the client slowly unfolds more personal information and stories.