This doesn’t mean giving the FBI or other agencies a direct line into content, it means Meta, Apple and Google should have the means, the keys to provide content when warranted to do so by a court. Right now they cannot, Police chiefs and other agencies describe this situation as “going dark” and they want it to change.

If anyone has the ability to do that then it's not encrypted.

It also means that any "security" from China they're touting is bypassed by simpling gaining access to these backdoors and thus access to everything with no effort.