Giving away all of your money is not necessarily good for everyone else. For example, giving billions to promote "teaching the controversy", or iPad literacy or Morris dancing in schools would alter the curriculum in ways that some people would (rightly) disagree with.
Regarding Dropbox reacting to changes anywhere in the filesystem: I found that turning off everything under "Import" in preferences seemed to stop it. After that it was perfectly fine on an old 2008 Macbook with spinning disk hard drive. Anecdata, but worth checking.
The ability to roam onto a different network? Yes, T-mobile doesn't cover everywhere, but has roaming agreements to fill the gaps in coverage.
There's a caveat that data roaming is pretty restricted. My wife visited Bozeman, MT, and was limited to, I think, 10 megs of data, which went very quickly. On the other hand, in the UK T-mobile had unlimited but somewhat slow data at no extra cost.
What bugs me about this is that the people who would have benefit from these policies, such as my ancestors, are long dead and gone. The people who oppressed them are also dead.
At least in the US, Brown v. Board of Education was 1954, and the Little Rock high school integration was 1957. As far as I know, all nine of the students are still alive. People who are now 75 were born at the same time as the black students who had to be escorted by US Marshalls to attend a previously all-white high school, so it's not really ancient history yet.