Not just now - EU has pushed for a common phone charger previously and most manufacturers went with Micro-USB at the time, except Apple. Now, EU is just pushing

Not just now - EU has pushed for a common phone charger previously and most manufacturers went with Micro-USB at the time, except Apple. Now, EU is just pushing that further with less loopholes. As for the time between adoption and enforcement - there has to be reasonable time given between for everybody to adjust to the new regulation.