Only three of those incidents were described by LE as resulting in misissuance under its CPS:

https://community.letsencrypt.org/t/blocklist-incident-novem... https://community.letsencrypt.org/t/2018-05-18-caa-tag-value... https://community.letsencrypt.org/t/caa-check-incident-decem...

Of these, I believe that none were issued to entities that didn't actually control or operate the sites described by the certificates.