Your calculator does not take into account the rise in difficulty that happens every month it only gives you what you would get currently with that hashrate. Yes I do believe Bitcoin will be huge and I could see it being accepted here in America the same way it is in Europe.
You need to take into the account the difficulty rise that occurs every so often in order to see the long term profits or losses of mining the calculator I provided does just that.
Stronger ASICS that run scrypt and SHA are just around the corner as well.
I seriously don't think the CEO has long term plans because if he did he wouldn't be expanding his Bitcoin mining hardware he should already be devesting in it. Yes Bitcoin has long term use like I said earlier I am not against Bitcoin, I am against Bitcoin mining because the difficulty rate is increasing and as you can see with a calculator that accounts for difficulty increases in just a few months it will no longer be profitable.
If the CEO was thinking long term he would have been ordering some dual algorithm ASICs.
Once again I do believe in Bitcoin, but Bitcoin mining is about to be unprofitable soon.