Ken Arromdee stated for the record:
The spoiler warnings were added individually, by people creating articles and specifically deciding where a spoiler warning goes in that article. The spoiler warnings were deleted en masse by one or two people using automation software without reading the articles they were in.
It is entirely untrue that "spoiler warnings were deleted en masse by one or two people using automation software without reading the articles they were in." Until that /doubtless-inadvertent certainly-completely-innocent/ error of fact is corrected, this discussion will have little or nothing to do with reality.