Errhhh, no! Don't extrapolate unnecessarily. We know they did not keep some RECORDS. Whether those records constitute EVIDENCE is not for you or I to speculate on. It may or may not be evidence. But whatever it was, they should have kept ALL records and minutes properly so it can be reviewed by independent bodies in future. If they so choose.By definition, it does not include EVIDENCE. The committee said what was included in the stuff left out and it is not evidence, that is the whole point. “Records that were not elevated…..” means stuff that never became evidence. If Trump had such evidence he would produce it. Keep flogging that dead horse.
Also, Trump wouldn't have evidence of what they did or did not do. He wasn't there. But as a matter of principle, they should have kept ALL minutes of ALL meetings related to J6. Even those records 'they concluded "did not further their investigative purpose."
A new body might be interested to know why certain documents did not warrant further investigation. But that's hard to do when you don't preserve ALL the records you examined. Isn't it?