I'm not sure there's much point in me weighing in here. The admin pretty much concluded this in a satisfactory manner.
Of course, suspected alts should be F11-reported for moderators to investigate, but this blame-game and throwing about accusations that goes in in this tribunal serves no purpose other than to create unrest amd discord in the community. I would not be baffled if people using alts to do what this tribunal is about has occured once or twice. But I will say this, the british are not used to having their front line practically on top of their grinding area. This means that pve-players and players with little tactical knowledge, or simply noobs, will be at the front line making calls that affect other players.
Playing for the danes I have had this exact thing happen to me many times. I have been dragged into hopeless or tactically unsound battles against both AI fleets and enemy players, by allied players ranging from kadet to flag kaptajn. There are even a couple of players who have done this to me multiple times. Still, I have no suspicion that they are actually working against my nation. In all likelihood they are just more eager to see big battles, less concerned with loosing their ship, and more hungry for battle and XP than what I am.
If this happens a lot in the danish nation, it stands to reason that it should happen at least a few times in GB as well, who has a much larger player base and conversely more noobs and inexperienced pvpers as well.
Also, having played fleets in danish waters with moat of the russian players at one time or another, I find it not surprising at all if a belle poule or basic cutter was able to sail through the battle without taking that much damage. Most experienced fleet hunters in the danish nation knows that in a brawl you do not waste your broadsides on a basic cutter, rennomee or belle poule, as you are more than likely to have your cannonballs hit the water or bounce, and those ships do not fire the moat potent broadsides back at you.