So few people in the field had access to the original data and now it's gone.
Please, expand on your conspiracy theory here. Tell everyone precisely what original data is now gone.
Be specific. Just saying "the temperature data" or "well, this guy I knew said so" is not specific. You'll have to do better than that, and so far, you haven't even tried. You've just tossed out an unsupported conspiracy theory and expected everyone to accept it.
Tell everyone exactly what data is supposedly missing. Name the data sets, show how the old temperature results are based on them, and show how those data sets are no longer available.
If you're not just parroting a conspiracy theory, that shouldn't be a problem for you.