Most leftists do have an idea of the sort of world they would prefer to see. Many of us have several. It’s just very hard to get us to talk about it, for the simple, human reason that we’re worried we’ll be laughed at.
Fearless feminist Laurie Penny tells us how bloody hard it is to be radical and left-wing, and how hard it is to be Laurie Penny.

More bran.
Who feeds people like this?
You will never find a feminist as the last person to leave from a fire
She is another delusional Alexandra Kollontai wannabe.
But the nature of utopia – the very meaning of the word – is that it is “no place”. The journey is more important than the destination, but without a destination in mind there is no journey.
Which explains why these folks are so attracted to ‘process oriented’ jobs that all governments are jam-packed with. Go to the desk and deal with whiners worse than yourself all day with no bottom line attached, no goal, no achievements, no meritocracy so being good at your job matters not.
You do not get good at a government job, you get better at enduring it. i know many government workers … they all agree.
Conservatives need goals, purpose, achievement, a bottom line so can measure progress and not just make it all up.
A ‘Penny’ for her thoughts is a way over priced
“The precise words I used to the bookseller were ‘Shut up and take my money.'” Never mind the fact that she seems awfully proud of ripping off a Futurama gag, that *is* the way you’d expect a radical egalitarian like her to address some bookstore flunky.
Try convincing these idiots that the ‘better world’ they’re always striving for is not objectively better, merely their preference. The relativism that backstops most of their worldview goes out the window pretty quickly.