Apart from this
"However, that does not mean we should resign ourselves to a “new cold war” of escalating arms spending,"
Defence spending has been cut under the tories. Army and Navy are as small as they have ever been.
No, it's perfectly OK to point out that there are probably certain people who would want defence spending to rise again. Just because it's currently at a low (obviously still much too high all over the world) doesn't mean that it can't escalate again.
I also think it's absurd hyperbole to talk about Mcarthyism in this context.
The definition of McCarthyism, according to the Wikipedia article, is:
McCarthyism is the practice of making accusations of subversion or treason without proper regard for evidence.
No, it's perfectly OK to point out that there are probably certain people who would want defence spending to rise again. Just because it's currently at a low (obviously still much too high all over the world) doesn't mean that it can't escalate again.
The definition of McCarthyism, according to the Wikipedia article, is:
https://en.wikipedia.org/wiki/McCarthyism
Clearly, this hasn't happened at all in the recent past, to anyone, least of all to Jeremy Corbyn.
Besides, I know for an absolute fact that @mmccarthy would very much welcome a new Cold War.