I think one of the things that’s rather underplayed here is the fact that the administration, immediately upon taking office, began taking steps to lift the post-Crimea sanctions placed on Russia, to say nothing of the post-election sanctions. The Senate’s fast action and the public attention drawn to the Flynn/Kislyak conversations essentially ended this early effort.
It’s really that simple. Regardless of how formalized the collusion/conspiracy was, this fact alone demonstrates the “quo” in quid pro quo. The fact that it was unsuccessful shouldn’t obscure the fact that it happened.
So, regardless of how developed the purported conspiracy was, it’s a fact that the Trump campaign was apprised of Russia’s efforts to help them, and sought to offer sanctions relief.
It’s all there if you choose to see it.