Nope, it wouldn't take a whole lot to get the numbers to start going down (compared to other currencies).
Yes it is not the strongest currency, because not all people are using it, not all people know that this currency exist. So conpared to old currency like paper currency or even gold are stonger than bitcoin I think. But if everyone are starting to use this, I vet this will be a strong currency. Stronger than any other altcoins.
Yes its not yet the strongest currency today but it has a potential that it will be better than any currency in the future. Bitcoin must be popular to each country before that and it bad perspective must be erase in order to embrace it by the government. Its not yet very popular as other currency but its strong that any currency don't have.