If someone _really_ wants in, the windows are an even weaker point. Obvious at a glance breakage probably not even necessary... (those latches seem awfully flimsy).
They very explicitly said they're paying enormous amounts of money to avoid being robbed (I'm not missing the irony here).
Something I found out recently is that my lockable desk drawer can be thwarted by giving it a sharp shove to the right while pulling the drawer. It juuust about pops the metal locking rod out of the mechanism for a moment, if you're pulling on the drawer it'll just open.. Found it out when I misplaced the key, haha.
The safety glass in cars is especially difficult where I expect much less from that in a home.
With the obsession over insulation I suspect they're stronger than I remember, but brute force always works - if not, just use more. Maybe introduce leverage