"The government did all the nice things you mention" you don't get it, that's not the government doing things, all of those are mechanisms for democracy that barely exist in western countries. You're basically saying "well yeah those things did exist, but have you considered that you get to vote for republicans/democrats (US) or socialdemocrats/christian-conservatives (EU) every 4 years to decide which of the two parties will apply austerity policy?" You're not talking about democracy, you're talking about electoralism, yes we have electoralismo in the west more than they had in the USSR, it's just that electoralism isn't democracy.

committed genocides, mass starvation

Not true, there's not one case of genocide committed by the USSR. There was famine in the preindustrial soviet union during the period of land collectivisation, but guess what, there's famine everywhere in preindustrial societies recurringly, and once the country industrialised, hunger disappeared.

massively oppressed its people

Again, revisionism. We are literally living in an era in which the NSA has access to your information in a digital database, and in which the government will happily tell you how they use facial recognition on protests to see who's protesting. There are literally more people in jail in the USA TODAY than there were in Gulags at the peak of the gulag system.

spent so much on its military

The academic consensus is that the USSR constantly tried to put an end to the arms race with the US, at times going as far as unilaterally reducing their nuclear arsenal, which the US never corresponded back. The militaristic empire which forced huge military expenditure in the USSR was none other than the USA, and again, that's academic consensus. Fucking Zbigniew Brzezinski used to brag about that himself.

they crashed the economy

Again, ahistorical bullshit that you've never even bothered to look into. The USSR NEVER suffered a crisis after WW2, the only time that there were some problems economically was during the liberalization process in Perestroika, towards the end of the soviet union. It's the illegal and antidemocratic dismantling of the eastern block its centrally planned economy which drove the economy to the gutter and ended the lives of millions of people through unemployment, lack of basic goods, lack of healthcare, homelessness, alcoholism and suicide. Seriously, do a quick search, look at the historic GDP of the USSR/Russia, and tell me when it falls, before or after 1991.

Not to say western democracy is perfect

We are literally funding a genocide in Gaza

instituted socialist policies without that baggage

That's where you're wrong. It was the existence of the USSR being pioneer in all of those policies, and the struggle of hundreds of thousands of unionised workers in Europe trying to imitate this policy, and the resulting fear of a revolution in western Europe by the elites that made these concessions, that led to this progress. Again, you're talking ahistorically, as if these advances had been earned electorally in the west.