HAHA...perfect example of why the implementation is flawed. And you are defending it by saying. "oh, just relog, everything is perfect the way it is."
For an actual blockade to be enforceable would require Open only. Otherwise the architects of this would-be blockade are necessarily relying on those blockaded to not simply circumvent them by flying in Solo/PG. That's before taking into account instancing and time-zones, which are other reasons why opponents might never see each other. Having the game itself force people to play in Open only would cause a significant portion of players to stop coming back, so FDev will never do that.
Maybe you think it's a bad idea to have different game modes in the same galaxy, but I happen to like it. I can get things done in Solo, play with squadmates in PG, or run with the bulls in Open.
I understand EVE Online might be more to your liking? That seems like a game with more of the kind of coordinated play you're looking for.
My final thoughts on the situation. IF station entrances were slightly taller and wide enough for 2 large ships to pass through at the same time, it would improve quality of life and onboarding and make more sense considering the function of traffic at stations. It would be fundamentally BETTER design and implementation.
Even with slightly larger station entrances, players could fling ships belly up at the gateway to create blockades or clownfests, so I would not make the station entrance so large that 3 panthers or anacondas could belly flop through the station entrance in formation because it would probably just invite more derp fests.
You seem utterly convinced that there are swarms of drooling trolls out there blocking station slots as if their lives depended on it. Yet I've been playing for thousands of hours, including deliveries made in Open mode during this latest CG and previous ones, and I cannot recall a single instance of players deliberately attempting to block up the mail slots. I'm not saying that it never happens, but based on my own experience it doesn't seem to actually be a widespread problem.