[2020] Why is event released at 10 o'clock at evening in EU

EU has 3 times more players than NA and yet they release it at times that fit them , why dont you launch it at the same time , does it matter if you release it 7 hours earlier on EU servers ? Also what logic is to release it at 1pm at NA time and at 10 pm on EU time, na players are still at work or school and bunch of EU players are sleeping . if someone knows logic behind this, please do tell me. Whole day wasted for EU