Maybe. I still remember the Drupal community sneering at the New York Times when they unveiled their homegrown online news platform bitd. After 15 years of recursively scraping ad-hoc porn sites off of server hard drives when clients dragged their feet on migrating to latest versions I 'm less certain the assumption that homegrown == less secure is as valid as it sounds.

Could you explain the last sentence a bit more? I don’t follow