I read it as "I've optimized the orm to be minimal overhead over raw sql a lot of the time".

I've actually benchmarked the overhead for my ORM against every major PHP orm that exists.

https://the-php-bench.technex.us/runs/1

But the speed is irrelevant as long as it's good enough. Notice Laravel's Eloquent at the bottom of the list yet thousands of projects are being built with it regularly.