I din’t think you qiite understood what I was trying ti dY

The difference is that companys wont do it by themselves. Each country will have to do their own legislation to mandate this. Even if Europe would do similiar legislation to Vietnam, YouTube would still show full ads in other countries because they make them more money.

Which is quite the difference to hardware mandates like USB-C, where few countries can basically set it as mandatory and the manufacturers will roll it out for all countries because its easier and cheaper to manufacture one model than multiple different versions.