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Try riding it with the screen taped over. You still get the data but you pay more attention to the sensations of riding.
After TCR I'm tempted to ditch the PM on my ultra bike. It's extra weight, complexity, cost and I just don't use it during the race. Afterwards it may be nice to examine the results and adjust training but training for this kind of thing is just stupid and I'm not sure the data for me is useful.
I haven't raced for a couple of years, I do do a few events each year and its interesting to compare how I perform in those vs general "load", and the historical performances, but this is all purely for the sake of curiosity - I don't derive any benefit from having this data.
The only area in which a PM genuinely helps me is pacing - especially as I'm so down on training vs where I used to be, having a "hold your horses tiger!" warning when climbing into the Rockies is very useful.