Are you talking about the bonus gacha after finishing the map? That's just a bonus normal gacha - 1x for easy map, 2x for hard map. All previous event maps gave normal gachas as well.
Yes, nobody like the upgrade cost increase, obviously. But it's a balance. If you read the news, they increased upgrade costs for common and rares, but decreased the cost for legendaries from 100,000 to 22.500.
Are you trying to talk to C.M. devs? Complain all you want, they don't read these 'outside' forums. They only read messages in C.M.'s discord channel.
During the downtime for the 2 days, time was stopped in the game. It continued on with extra hours added in after the game went up.
The extra hours is not the compensation - please read the news first before making inaccurate comments. It has not arrived yet. According to the news - "We're currently working on a special reward as a compensation for the downtime that has been happening, and we will let you know when it is available."