Well... I think public private partnerships are the way to go with profit sharing and workers being a part of the decision making process. I also think a lot of industries should be handled by the government or have a government company that is strictly non-profit. People should also have the choice of a free Internet connection if they don't want to pay for high speeds and public transportation should be free and good. Social housing should be built in massive quantities and nimbyism should not outweigh the benefits of the people.

This is what I am talking about, actually. You're currently talking about what you want, without analysis of how to get there. That's why Marxism is incompatible with Social Democracy. Marxists don't believe you can simply vote that into existence in a system where Capitalists have.all of the power.

Taxing negative effects on people via pollution should be taxed out of existence. Natural resources should be state-owned and work for the benefit of the people. Compaign donations should be illegal and loopholes should be closed.

Lots of shoulds without discussing how to get there.

These are all policies that are Marxism inspired but they still keep the capitalist element and a market economy. I think a market economy can be good but really needs a firm hand to guide it so it doesn't fuck everything up.

It's not really Marxist inspired, though. It erases all analysis of Capitalism, all philosophical aspects, and all of the revolutionary aspects of it. Social safery nets are good, but that's not necessarily borne from Marxism. Simply thinking a market economy can be good is already far off of Marxism.

I believe that this area of policies should be explored more and instead of just saying "Marxism is best" then think about what an economy with 70%-90% collectively owned would look like.

I think this is ultimately born from a lack of engagement with Marx's works, really, though I could be wrong. What have you read from Marx?