But will it actually result in a big price hike like some expect? I highly doubt it, especially when you take into account how little buying power individuals have (especially in struggling economies) compared to speculators who are able to influence the market much more by simply trading on leveraged derivative products.
In Argentina, it's not only middle-class "individuals" who are trying to exchange their Pesos for "hard" currency, but above all very wealthy people and also businesses. And Bitcoin is known to them as a way if the official forex market is closed. Actually, at some days the ARS/USD exchange volume was about 1 billion, which had to be covered by the Central Bank. If half of that went into Bitcoin, 500 million dollars (~60K BTC) are a nice amount which could result in a price spike.
However, I doubt that local Bitcoins markets are able to handle such volumes.
Argentina's weekly LocalBitcoins volume is just 20M peso ($340,000) -
source. So, it's already unlikely that a country with such a small volume could influence the price and cause a huge rally.
There are many more markets in Argentina than Local Bitcoins. There is Ripio, SatoshiTango, ArgenBTC, and Bitex.la (to mention some I know). Ripio is the only exchange where I can actually see volumes for the ARS/BTC trading pair, which are about 20-40 BTC/week (see
here), so it's still very low. So you're right, we
currently don't see a Bitcoin run in Argentina, but we also currently are going down with price. As I wrote in the OP, in December when the new government is innaugurated, that may change.
If we look at the statistics for LocalBitcoins in Argentina, it will show us that only 31 BTC is traded in last week, and there were spikes with 200+ BTC traded back in 2015 and 2016.
You know the price of BTC in 2015 and 2016, right?
But yes, on the whole you're right, for now I don't see an "explosion" at local exchanges, as
measured in USD, from 200 BTC back then to 20-40 BTC now the volume increased only slightly (at least at LocalBitcoins and Ripio, the only ones where volume is shown).
I'm not sure Argentinians are actually adopting bitcoin as an alternative to the peso, though. You could ask the same question about Venezuela and the answer would be the same--I don't think people in these crisis countries are spending a whole lot of money to buy bitcoin, because I don't think they'd be able to buy food, pay rent, utilities, and all of their daily needs with bitcoin.
As I wrote before, there are very wealthy people in Argentina who tend to use also "alternative" means like ARS->BTC->USD to get "hard" currency and escape the Peso downfall. They even speculate with BTC - Argentina is actually a market where cryptos were embraced early (in 2013 there were already plenty of users and services, and with Sergio Lerner even an Argentine contributed to Bitcoin Core). You may be right that the poorer 50% do not have the means to even think of BTC, but Argentina has a strong upper-middle class which is less affected by the current economic crisis. It's just the poorer 50% who are in trouble now, and most of them never were able to invest in BTC.
And OP, if I may say, this is kind of a selfish question to even be asking. These people are in serious trouble, and whether their plight might lead to a higher bitcoin price is a questionable one to be raising.
I don't think so, it's a technical question about possible influences of an isolated market with no direct connection to the BTC/USD price via arbitrage and other influences due to (BTC) supply changes, and Argentina (a country I know very well) is serving only as an example.