#2 Being predictable and not changing up the structure of things

One huge problem WWE has is that both Raw and/or SmackDown often start off with a promo parade that leads to matches being announced for the said show. Sometimes they even announce the matches on social media in advance and still have the promo parades to set up the same matches that they already promoted as happening.
The shows don't usually start with matches or different segments but usually a 15-20 minute set of promos that tell us what we probably already know. If you've watched MITB builds over the last five years, you know that leading up until the PPV, there will be weeks of tag team matches, triple threats and other matches involving the four participants from each show.
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Start with a fight going on backstage with the camera cutting from the announcers to backstage. Have a backstage interview or altercation set up a match that hasn't been previously announced.
Another trap WWE always uses to set up title matches is having a potential challenger 'pin the champ' in a non-title situation. It always happens and is usually followed with Michael Cole or Tom Phillips yelling 'X has pinned the United States Champion!'.
All they need to do is have matches that determine challengers or have an attack set up a title defense. The saying 'If it ain't broke, don't fix it' applies here because things have been broken for a while so they need to be fixed. The ratings' issues are proof of that.