I haven't yet made up my mind on the significance of the last part.
At any rate, I do hope that that "enormous swing to the left within electorate" you note [was it a swing at all? wasn't the majority 'there' already?] will be sustained, will prove Orbán wrong, and he [or someone else] will have a difficult time selling policies that hurt as necessary to right the economy. *Lunatic*, n. One whose delusions are out of fashion.
whom he can hold to with state ...
state engagement/government involvement. *Lunatic*, n. One whose delusions are out of fashion.
I read that line to mean that "state engagement/involvement" is not an extra point but pertinent to higher education and healthcare, with a "," used where a ":" would have been clearer. Could be wrong. *Lunatic*, n. One whose delusions are out of fashion.