Power Meter Accuracy Discussion

I have started a fairly simple analysis of the difference between my 4iiii Crank arm power meter and the power output from my Tacx Smart trainer. This is here: Power Measurement Comparison

I found this interesting video about potential issues with strain gauged crank arm power meters:

In fact the author (presenter?) has made a number of other interesting videos about cycling technology - I first came across him via DC Rainmaker so I won't take all the credit