Yes. The campaign fails - just as it clinches the nomination with 1237 delegates. /s
Claptrap balderdash.
1 Trump support is a high floor low ceiling and he’ll never get over 20% of the vote
2 Trump support is a high floor low ceiling and he’ll never get over 30% of the vote
3 Trump support is a high floor low ceiling and he’ll never get over 40% of the vote
4 Trump can’t get enough he nomination, the party will never allow it
5 Trump can’t get the nomination, he’s not a conservative
6 Trump can’t get the nomination, his negatives are too high
7 Trump can’t get the nomination, he can’t win in a contested convention
8 Trump got the nomination, but his campaign is falling apart
That’s just a brief summary. There are a lot more reasons for Trump’s failure.