Until you barely have one and Putin decides he wants to murder everyone in your country and take your now former land. Consult your nearest friendly Ukrainian regarding how cool strong armies are. Would also refer you to societies throughout the ages who decided that singing Kumbaya was all that was needed to stop humanity's endless progression of deranged assholes, but sadly, most of them are no longer around.
They're necessary, but not cool. You know, like garbage disposal.
Yeah, well, you know, that's just like, your opinion, man.
Coolness is an inherently subjective attribute, of course.