I've been using the shield since the first version. Never had an issue with any of them. Probably going to get a newer one since it supports atmos and dolby vision. My oldest one is 6 years old and still works like the day I got it. One of the most reliable devices I've had.
That said, I've never used the remote for long on its own, but it depends which model you have as to how it connects. First gen was wifi direct, second is bluetooth IIRC.
Fire TV models are pretty good too. I had a 4k fire stick and it worked fine, a bit slow, but for the price I'm not surprised.
Any of the "higher end" streaming boxes should work great for anyone. Roku, Apple, nvidia, Fire TV will all have higher end models that will work for years. It's the cheap models that have issues after a year or so.