The purported censorship resistance of these coins has nothing to do with the shape of the traffic.
There is empirical evidence that this traffic can and does get blocked. Furthermore, many cloud providers stop this traffic.
There are also numerous projects to work around Internet censorship in the crypto space. Such as the Substratum Network (https://substratum.net) and Mysterium Network (https://mysterium.network).
$65,000 worth of gold is the size of an iPhone X.
Oppressive regimes tend to control money flow in/out of the country. So if you, for example, have an aunt somewhere outside that wants to send you money -> you just might not be able to receive it, or would need to give some official a slice of the pie. Bitcoin obviously can help as u can just move the money without government oversight.
Acquiring this "wealth" of crypto would be impossible in an oppressive regime in the first place.
There were actually a few news articles about people in 3rd world countries that survived thanks to btc, though I can't find any at the moment.
Lots of people do person to person transactions.