I came here to post almost exactly this. I'm level 40 with an average tank levels ranging 20 to 35 and they left repairs enabled in the event despite every possible indicator pointing to that having been a bad f'king approach to event accessibility and new player retention previously. No one has the 32 hours a day to wait on repairs for your event, dudes.
The "Soviet Special's" irritates me as well. RNG fuckery aside, it's description is too damn vague. Is it a 40% chance of a 5 star tank and a 0.05% chance of a PT-76? Who knows!