What do you guys think about socialism or other utopias?

Is socialism achievable in our lifetimes? I'm M/29/India. I haven't read Marx or Kropotkin.

1 Honestly, at some point you have to ask yourself: if our economic system doesn't secure public health and well-being, and doesn't protect and regenerate ecology, then what's actually the point?

2 This economic crisis is revealing that the main reason we all have to work for wages isn't just to buy the things we need, but to pay rents and debts - in other words, to give money to the holders of capital.

If capitalism is preventing a large majority of human population from leading happy and dignified lives, then why can't we change the economic system?