Congrats, that's a really cool achievement. I hope your situation gets better soon.

Regarding the bot situation, I'm experiencing the same at the moment. I've decided to try and go for triple legend this month as in all three game modes on EU and so far, I'm facing like 95% bots in Classic. Once you figured out how they work, they're fairly easy to beat and it seems like ranking up is more of a question of patience than anything else. Might yet change though, I've only reached the platinum ranks so far. I'm a little confused why Blizzard keeps the mode alive and tolerates the bots at this point to be honest.