> 80%+ at peace time.
No, in any time, as is the definition of latent capacity.
> Edit in not even touching RoI vs UK army. I'm not pretending any show down would be bloodless, but the UK has a few plain numerical overwhelming superiorities. Again stating simple facts.
The Cold War British Armed Forces were unable to hold the farmland of Northern Ireland against 3,000 members of PIRA, let alone the current forces against the island now. Those are the facts in the history books.
You are delusional, living in a worldview that never matched reality and diverges more each day.