Drupal core hacks - thinking about it?

Funny results from searching Google for ‘drupal core hack’:

Do not hack core | drupal.org
29 Jan 2009 … “Do not hack core!” This phrase is commonly heard in the Drupal community. There are even t-shirts made with this phrase and this cannot be …
drupal.org/node/144376 - 16k - Cached - Similar pages

Documentation: Info on Core Hack [...]

Whatever happened to Mini SQL?

Does anyone remember Mini SQL (or mSQL)? A few years ago it was a solid contender for MySQL and some even considered it slightly superior over MySQL.
The site is still there, but it looks like it hasn’t changed since years. And the PHP manual still has a chapter on it, as there is still the [...]