Earlier quoted context omitted.
The alternative was mass unemployment, it would have taken two decades to re-prime the pump. So the alternative to such a large shock was either ~5 years of inflation / stagflation largely caused by supply side issues (can't get a driving test, can't get employees, can't get something shipped from China, etc), or a two decade (a la 30s / 40s) rebuilding the economy from scratch. And (as a side issue) you shouldn't be…
Nah, the alternative was to not close everything down :)
So the question is can the UK handle it better than MT did in the early 80s. It took about 8 years last time, has monetary / fiscal understanding improved in any practical sense since then? Will the UK have another George Soros to inflict reality on the powers that be? Watch this space...