Prepare for both sides ,for better or for worse ,I've seem friends jumping up already as if 2019 would bring amazing smiles to everyone's face ,I'm not saying it may not but be prepared even if bakkt ,ETH 2.0 and ETF happens doesn't really mean we will moon ,just be prepared for both,either it goes right or wrong.
The only positive effect that is really able to change something is not the events that you described, they will have an impact to a lesser extent, but the control of the market and the adoption of 2-3 coins as a world currency.