I learned that about postgres collations and case sensitivity about 6 years back, and it was within 3 months of my first heavy use of postgres. So I wonder if t

I learned that about postgres collations and case sensitivity about 6 years back, and it was within 3 months of my first heavy use of postgres. So I wonder if this person was just experiencing their first usage of postgres too? And I've used relational databases for more than 25 years.