Everybody says Bitcoin is unbreakable, set in stone, yadda yadda yadda. But it seems to me that this is not necessarily the case. Anything about bitcoin, including the amounts generated, method of transferring coins, size of blocks, time to mine blocks, etc. can be changed by changing the software, and in particular the reference client since so many miners use that. Really, if 51% of the bitcoin mining community agrees on a change and implements it, that blockchain will win out over time. So it's more of a democratizing of fiat rather than an unbreakable currency.

There have certainly been times in our history, even in the recent past, in which the country at large (US) has voted for a Keynesian monetary policy. Isn't it possible, even likely, that at some time in the future a majority of miners would simply implement software changes to increase the amount of bitcoins generated? The incentive to do so is rather large, is it not? Thoughts?