Bitcoin will take a long time to become centralized Many countries do not yet support Bitcoin. the demand for crypto has increased a lot during the epidemic crisis. Crypto is not under the control of the government but the economy is in crisis due to the epidemic but crypto has no effect. Many people have been able to overcome this crisis very easily by working in crypto investing as a method of payment is also holding for the future.
Well, crypto affected economy anyway, the market itself is almost as big as some smallest countries and a lot of fiat holdings now flood into crypto.
And your second point - a person wouldn't be able to easily overcome current crysis just by investing in crypto, especially long-term.
Lets take a look at average person that has ~$2k of crypto investments + added $1,2k of support payed to most US citizens. So since may total crypto investment portfolio would be now like $5-6k, if we're talking about early april-may investment.
AND a person shouldn't take any of it 'til this day. Thus being said you have to have at least spare $3k in the spring + available money to live through past half of the year.
This isn't realistic, you have to wealthy to do this