No they didn't, compliance is voluntary, just read the linked wiki page.
I agree with the point that it won't stifle Innovation though. The swift passing of the USB-C mandate has proven to me that the EU can move quickly, so if a new connector comes along they will be able to switch the law reasonably quickly.
If you've followed the EU for a few decades, you'd know they occasionally move quickly, but not often, and the movement is rarely in the best direction.
But, crucially, they were able to effortlessly move to a better connector when one came along. They were not legally forced to stick with Micro-B. Now they are legally stuck with USB-C indefinitely.
I think 4 years is a reasonable time frame. Especially considering they weren't sitting around doing nothing for 4 years, most of it was research and surveys
> Although compliance is voluntary, a majority of the world's largest mobile phone manufacturers agreed to make their applicable mobile phones compatible with Europe's common external power supply specification (EN 62684:2010).
No they didn't, compliance is voluntary, just read the linked wiki page.
I agree with the point that it won't stifle Innovation though. The swift passing of the USB-C mandate has proven to me that the EU can move quickly, so if a new connector comes along they will be able to switch the law reasonably quickly.