That is exactly what it is. Before the AI craze, TTS was labelled TTS, they only started labelling themselves AI TTS to cash in on the AI craze.
If they have a problem with being associated with LLM and/or CSAM generators, that's their own fault.
Reap what you sow. Don't ask the rest of us to make special accommodations to separate the bad guys from the fools associating themselves with the bad guys.