DMCA notices are meant to be submitted "under penalty of perjury", and false notices could in theory result in civil action being taken against those who send them. In practice, neither of these occur even if the sender is a real person, like a record company lawyer lending their name to complaint that are entirely computer generated, or, in this as in so many cases, a completely fabricated identity.
Requiring verification through government ID for takedown notices should be a minimum requirement.