Most pundits who study the Rev Charles Lutwidge Dodgson agree there were repressed feelings. Mostly from interpreting his literature.
FWIW I would not include Roy Harper in the "Folk" camp - he is a singer songwriter and Folkies can include such - happily. But that don't make him Folk. We decide that and we can't agree --- I submit.
Case "not proven" unlike the impending court case will be.