Yeah, bitcoin does have the features to be a worldwide used currency but sadly, it doesnt look likely as the government of most countries are not really bitcoin friendly.
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15 years ago there was no bitcoin at all, 10 years ago it was interesting mostly to some geeks. And now some countries already adopted it. Don't be too hurry, the events are going with their own speed: one day bitcoin can become a worldwide independent currency, but to do so it has to work on different things including known problems like price and time of transaction or scalability. One day we'll see both that these problems are solved and bitcoin is accepted mostly everywhere.
I guess youre right. We shouldnt be in much of a hurry to get bitcoin worldwide recognition and adoption cause bitcoin is well on its way to doing just that despite the loads of criticism and negativity from financial institutions and governments. Bitcoin has surely grown in popularity and usage and is very certain to become greater than it already is.
After all, good things they say, takes time.