[nullc]

The only serious alternative to Qubes from a security perspective is to use multiple computers.

That alternative presumably has better security, but also generally worse usability (particularly if you're going to be mobile! -- two laptops in your bag might be acceptable but comparable isolation would require more than two).

[fsflover]

> That alternative presumably has better security

Not necessarily: https://www.qubes-os.org/faq/#how-does-qubes-os-compare-to-u...