Bad/Worn Combustion Chamber

So.... My buddy from work let me bring the bike to his place to do our own compression test, we threaded it into the plugs with the gauge and hose. The good news is it was the same on all four cylinders, the bad news is I forgot to open the throttle when doing the test ‍♂️. So all four read almost exactly 94psi with the throttle closed. I was sitting there like 94 wtf? . Anyway, that should still mean compression is the same on all four and the mechanic that tested it before and said one cylinder is very low either screwed up or is just full of it?
 
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