No and I don't care, because even Google doesn't care about us.

2 years update + 1 security for mobiles that cost more than a computer is not something I am willing to pay a premium for.

So if you're phone was part of a botnet wasting your battery and data cap would you care?

You should install lineage nightly to get most up to date security: https://download.lineageos.org/i9300

Thanks, but I am against rooting devices, never saw the value in risking to brick my expensive devices.

It might be running perfectly fine for his use case, you never know. The benefits are almost always compared with the financial liability and they vary for each of us.