I have no problem to watch the pictures and I love them.
The barrel distortion is not an issue - GoPro have a semi fisheye lens and I love it like that.
A recommendation from me: I prefer the pictures in this forum in cross-eyes version.
The color rendering will be much better.
|Guillemins Train Station by Dames01|
from Your City - Escalator
|2018-10-13_Fruits by Aziz Ali|
|37 Custom Ford by Mitchmeister|
from Car Shows 2018