I did like the (short) LLM-free part of my career. The bait-and-switch refers specifically to the changes due to the introduction of LLMs. Any career where LLMs don't play a big role would not have been a bait-and-switch.
That said, I don't understand the point of "what if nothing ever works out for you?"-type questions. What do you expect me to answer here? That I'm secretly a wizard and with the flick of my magic wand I'll make something work out?