People are interested because Drive Pilot is L3 while FSD is L2. People are naturally more interested in the more advanced systems, but that would include FSD if Tesla can improve it to perform closer to the way it’s been marketed. Exaggerating the capabilities for over a decade juiced their share price but it also gave them a reputation for failing to deliver which is going to need hard data to shake: putting their money on the line would be one way to do that.