Right there I already lost my will to bother formulating a response. Of course they have agents all over Europe. Every country with geopolitical interests has agents in territories tangent to said interests. Are you taking the piss?
The only two claims on your little list which are rubbish and not easily substantiated* are Trump being agent and Nord Stream 2 posing some sort of threat to Europe. There's no proof as to the former, and manifest evidence against the latter insofar as Europe has been buying Russian gas ever since the height of the Cold War.
Your blanket rejection of the remainder rests on the usual "everyone is a bully towards Russia"-narrative. You're essentially suggesting that only Russia can be trusted and that all the other countries lie – their newspapers, their governments, their courts, everyone. That's even statistically unlikely, nevermind the body of evidence to the contrary.
What you gain from calling B.S. on incidents like MH17 is a mystery to me. Unless, maybe, you're one of those people who think that criticising their government is tantamount to attacking their nation's honour or some such nonsense. Look at Iran. Barely a year after their shooting down of UAI 752 no one talks about it anymore. It was a mistake, they've agreed to compensate the victims, end of story.
The charges pressed against some Russian nationals by the Dutch are just that, an indictment of individuals – not Russia. Your harping on about it reveals the exact kind of paranoia you're accusing the West of. Heck, the Americans too once accidentally downed an airliner. There's literally no sound reason to suggest those charges were made up in order to damage Russia somehow.
*) Unless, of course, you're artificially narrowing down the scope of permissible sources of substantiation to those vetted by the Russian government. Which is a repetition of the faux argument cited above.
The problem with that line is that there has been a lot of fictions, rumors and hoaxes that got debunked, but still got given traction and credibility.
As of today, a lot of these fictions/rumors/hoaxes are still believed
There are ramifications to this: it damages the ability to gather and share intelligence.
There are plenty of things Russia is doing that are, indeed, wrong; but whenever you start blaming Russia for false, wrong, fallacious, debunked rumors, bad intelligence, etc... it loses veracity and credibility and the effective ability to hold Russia accountable for the things they do do.
It undermines what Russia is actually guilty for, it undermines the credibility of the accusations made against Russia and the ability of any country to hold them accountable.
And yes, the "Russian collusion" was turned into a meme, but the "Russian collusion" is nevertheless extremely, and still today, relevant.
It was 4 years of constant "Russia bogeyman", with politicians coming forward claiming "we have proof, you have not seen and will never see because it is classified, that Russia did things and much worse" for political purpose to discredit a president they didn't like.
It is not only about "the US left", but it is something that has been done all over the world by countries that are unhappy with Russia.
The media, all over the world, ran with these rumors. The Russia-bad mentality has permeated each and every strata of the population.
And the fact that none of these fake stories got retracted, and/or their debunking received close to 0 coverage, is also a very big issue. Because politicians and people are still running around with lies in mind.
All that to go at a president they didn't like. Let that sink in. Think of all the consequences and contrast them with the initial goal.
This is very damaging for everybody and is putting actual lives in danger.
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