My company has hired some people for TTS voice training on Upwork. About 90% of the voice actors resented the implications that someone else could make their voice say stuff that they disagree with. But some of them also found the idea of becoming digitally immortal very attractive.

The same way some people like to put up a marble statue of their heroic deeds, others like to record themselves for the internet. In my opinion, both types of people want to avoid being forgotten and surely if you become a famous TTS voice, you'll have a Wikipedia entry...

Currently, projects asking for TTS model training are banned on the platform, but only because there was outrage amongst the users.