Haha first off, at least you still have skiing, a ton of people finished months ago.
Secondly, if you want the park/rails could you set it up yourself? We've still got the biggest park of all time in scotland but they're not really maintaining it on weekdays, so when i was up 2/3 days ago I had to rebuild all the lips myself, but luckily the jumps were still good, but with the speed of the snow it gets pretty difficult to clear them without tucking costantly.
To sum up, build them yourself & be grateful you still have skiing.
Also you think waiting a few weeks to build a park is bad? the first park we got was 2/3 months after it opened.