[TuringNYC]

I think his advice is to purchase a licensed product with a paid support package if you need an SLA.

[ambrice]

In my experience licensed products with paid support packages aren't any more secure, they just let you pass the buck when things go wrong.

[TuringNYC]

To some extent, they also come with warranties and insurance policies that could potentially be collected upon if there are damages.

But yes, a lot of it is a legal CYA, which is important.