On a modern battlefield, I wouldn't give the A-10 much of a life span.
It might armoured like a tank, but it's sitting duck.

How would the A-10 survive in a theatre full of modern vehicle-mounted
SAMs, I wonder?

Thank goodness you don't fly them then. You wouldn't be able to employ your
weapons system effectively with an attitude like that.

A-10s don't work alone. HARM shooters abound, and even enough A-10s can
overwhelm a SAM site to cause mayhem and allow one to sneak through and
schwack it.

ATTACK!