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We've gone through about 6 Enviolo hubs in 6 months. We've found they last a bit longer if you try and only shift when coasting, and definitely not when under high motor/leg load (i.e on hills). This shifting technique defeats the entire purpose of a stepless, automatic hub, but if they last longer than 1 month...
We'll be slowly moving over to Rohloff, it's just hard to justify when they're warrantied endlessly.
FWIW I had a Nexus 8 (I know, not an Alfine, but pretty similar) in my cargo bike; it never skipped a beat in 5 years with minimal maintenance, so I think some of the concerns are a bit overblown. I'd choose an A8 over an A11, but wouldn't worry overly otherwise.