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you do not really have proof of tampering here
see below:
14791 (25%) - 89,182 (66%)
44373 (75%) - 45942 (34%)
59165 (100%) - 135125 (100%)

mathematical there is no proof, this is still possible

You are right it's possible but very unlikely to happen in 13 minutes.
Of course the screenshot could be photoshoped but there were more screenshots and comments suggesting that there were a missive change in votes in an instant.