I don't think Starmer would, but you never know.
I think you need to learn a bit of history about the 1970s.
The reason behind the strikes of the 1970s was Edward Heath's incomes policy and his reaction the OPEC Oil Crisis. It has nothing to do with Socialism.
Heath introduced a policy that was totally unworkable and it fuelled dissent in the Union's as he broke promises he made. The three day week was introduced by a Conservative govt, as a response to the OPEC crisis, that crisis fuelled inflation which was compounded by Heath's incomes policy and as wages fell behind inflation and that led to industrial unrest. Heath's mishandling of the crisis led to the fall of his government and the 2 elections of 1974 in which Labour took power. The Tories had made such a mess of the economy that the then Chancellor Healey had to go the IMF for a bailout. Labour struggled under the terms of the bailout and that led to the winter of discontent.
What is without doubt that the narrative from the 70s was exploited by Thatcher with her Anti-Union sentiment, the exact same thing happened in the USA with Reagan and his strong anti-Union stance. Both saw Unions as a hinderances to capitalism and the free market and we witnessed the birth of Neo-liberalism that has destroyed so much of British society and nearly all of British manufacturing.
The loss of Union power has led to zero hours contracts, wage suppression, growing income inequality and a slow down in Economic growth that can be attributed to productivity. It is a fact that the economic growth and productivity were highest when Union power was greatest, but Unions were always seen as a threat to the establishment and their control of the levers of power.
Since the rise of Thatcher Unions have been demonised by the ruling class, they have been criticised and misrepresented by the RW media and its time in my opinion they fought back, because we need strong unions to counter the effects of capitalism and inequality on society.