Is it really possible to disprove the Watchtower?
It was easy to prove a particular WT teaching wrong, you only had to compare your study copy with the bound volume at year's end. Sometimes applications with disfellowshipping consequences changed within weeks ( Marriage positions), sometimes it took them 40 years to correct their blunders. (Superior Authorities)
Anointed overlapping generation to 2075? already found to be wrong on all counts. easy.