#3. Avoiding filler matches and segments

There were a few matches that were purely filler. Aleister Black vs Bobby Lashley, for example, was a random addition to the card with no storyline, no build, and no confrontation before the PPV.
Even the RAW Tag Team Championship match seemed a bit thrown together, while there were a couple of kickoff show matches with no significance whatsoever. The biggest surprise, however, was the 24/7 Championship segment.
Mojo Rawley was running away, with a bunch of people chasing him while WrestleMania 36 host Rob Gronkowski was on the main stage. He would end up jumping on all of them, pinning Rawley to win his first title in WWE.
What surprised us was the fact that there was a crowd gathered together with so much contact. WWE had been taking the social distancing protocol very seriously, which is why the Andre The Giant and Women's Battle Royal were canceled.
The point is that there were filler matches and segments that didn't need to be there. What we learned this WrestleMania is that two days of three-hour shows are better than a one day, seven-hour show.