+x+xNo there has been virtually no power shift. Two of Asia's strongest teams Saudi and Iran were knocked out in the first round. Despite getting to the R16 Australia is still in decline, as is possibly Korea, only Japan continues to consistently produce players who are good enough for the big European leagues. African is in a similar boat to us, some teams improving, others in decline, but overall they are stronger simply because they produce many more players who play in the best leagues in Europe. Both confederations are well behind Europe, and the top 2 or 3 teams in South America.
Let me help you. Yes way behind the big 5-6 countries in Europe & only the top 2 in Sth America.
Japan beat Germany & Spain & took Croatia to a penalty shootout
Sth Korea beat Brazil
Saudi Arabia beat Argentina
Australia beat Denmark & pushed Argentina.
True
But Japan lost to Costa Rica
Saudi and Iran didn't make it out of the group
Korea got belted 4-1 by Brazil
Aussies got belted 4-1 by France
Iran conceded 6 goals against England
Qatar lost every game
Morocco are the only non European and South American team to make the QF
None of the above proves anything, except that world cups like any football competition can yield unexpected results. Both Japan and Korea made the knock out stages in 2010, so with the addition of Australia the performance is only slightly better than compared to 2010.
For us to definitively say that there is a power shift towards Asia and away from Europe and other confederations then we (AFC) would need to repeat this performance at least two more times and have some representation in the QFs.
What's apparent however is that the top Asian teams are competitive with every team outside of the top 6 of Europe and top 2 of South America. I would include Croatia , Denmark, Uruguay , possibly Portugal among that cohort. But is this a new development? In 2018 Iran drew with Portugal and beat Mexico. Japan beat Colombia. South Korea beat Germany.
There doesn't appear to be any significant shift towards Asia. Our regions best sides are still very competitive (as they have been for 20+ years) but still a run or two below the worlds best sides. Additionally there's still a massive gulf between Europe's mid tier sides and Asia's, for example the UAE who finished sixth in qualifying would struggle to beat bar a few teams in Europe.