ORM's work great for CRUD. Then there is always that small collection of aggregation and reporting queries that take a few minutes to write in SQL and days to k

ORM's work great for CRUD. Then there is always that small collection of aggregation and reporting queries that take a few minutes to write in SQL and days to kludge together with an ORM and it's mostly-feature-complete abstraction layer over SQL (SQL is an abstraction layer).