You are absolutely correct in the facts you provide and the assessment you make.
But I come from a world in which if companies or industries fail then you allow them to fail.
No one needs street lamp lighters or fax machines anymore.
I have also never seen any government effectively run a company.
Don't waste time on a dying industry, pursue thriving ones.
We still need steel, but clearly the market doesn't make it efficient for the UK to produce it.
Also, try not confuse different arguments, saving jobs for individuals is at the expense of the nation.
40 years on, there are no unemployed fleet street hot metal operators, they moved on.