He debunked the data. He didn't debunk election fraud claims. If someone frauded Mike with bogus data the detective and Mike both win.
He didn't debunk election fraud as a whole (not that he should need to at this point), but he definitely debunked Lindell's claims specifically.
> The data had, the report indicated, been sent to a so-called “Red Team” for vetting, but, according to the panel’s report, “none of the Red Team cyber experts were able to open the files.”
Nobody "got cute with election data". There was no data to begin with, it was all gibberish. Claiming that you have proof an election was stolen is Serious Business, and Lindell didn't do his due diligence before going to public with the so-called data.