1. Helped boost him during the primary, making immigration points which stayed throughout the election and made it the focus of his appeal, and demoralized opposition (cuckservatives)
 
2. Memery rallied a loyal online following to boost him. Hard to differentiate from /pol/ but the altright popularized them outside of /pol/ and was the authority on them
 
3. Ricky Vaughn
 
4. Boosted the right influences like Coulter when they were worried about him.
 
5. Were willing to say he'd probably disappoint (Spencer TL)  
 
6. Number 1 political podcast (FTN)
 
7. TAH AND FTN polling was right
 
https://datedways.wordpress.com/2017/01/29/reaction-and-the-alt-right/