I really appreciate the honesty of the review and the clear disclaimers wrt its intended use towards a longer life.
I still think that greater efforts could have been made to by its creator to source a better switch(s). All the box
mods I have made since my first switch failure (on/off) have been fitted with a properly rated on/off switch and fire switch. The fact that this low cost retrofitting as never taken place says allot of the mfr. All the problems you have mentioned are easily fixed, but it seems negative comments are ignored in general. It is indeed sad because I made one and yes, the versatility and compactness of the unit are great features.