Let's not forget they provide these forums and upgrades for free people. I can only imagine the bandwidth costs it would accumulate to run a forum this size. Things are a little different at the moment but give it time and I'm sure things with either adapt to how they were or you will get used to the new way the forum looks/works.
People don't seem to appreciate how much hardwork and man hours go into making/maintaining websites/forums.
Yes, it's only taken me a few hours to throw together a bit of CSS to tweak the design, but that comes with 20 years experience from my line of work.