Following the input from the community, I have reverted the deletion.

For the record, on the left are the building deletion changesets, and on the right is their corresponding revert changeset:

164374687 - revert is 164563841. 44 changes.
164374381 - revert is 164563893. 30 changes.
164374216 - revert is 164563942. 44 changes.
164374031 - revert is 164564109. 1108 changes.
164374027 - revert is 164564158. 10,000 changes.   
164374024 - revert is 164564201. 10,000 changes.