Nope, less power means the current situation will be the default as each country by default will have their own body and rules to govern instead of one rule and one body that handles the whole continent.
Unlike what you appear to believe Europeans are not some libertarian captured by the EU socialist, most europeans do want less wasteful and less harmful packaging.
Do most Europeans want all of their E-commerce to be only handled by American and Chinese megacorporations without local players? Because that is the effect of this regulation. Instead of a SME shipping a cardboard box, it will be Amazon or Temu.