I've only ever had manual awnings, and I love the ability to tie it down if desired, disconnect the lower arms from the rig and set them up in "patio" mode if desired, etc. Friends have an electric awing; yes it is certainly easy to deploy/retract, but my manual one isn't difficult by any means, and gives me almost infinite adjustability. And in 30 years of manual awning use, the only problems/breakdowns I've ever had were of my own doing (clipped roof of house while parking). On the other hand, I quite often see posts like these about the electric ones:
https://www.rv.net/forum/index.cfm/fuseaction/thread/tid/29343123.cfmI'll stick with manual, although I do admit to being just a bit jealous watching my friend deploy/retract his with the press of a button!:)