just to be clear: from my standpoint it's the worst period ever being a junior in tech, you are not "fucked" if you are junior, but hard times are ahead of you.
Whether its a hotlang, LLMs, or some new framework. Juniors like to dive right in because the promise of getting a competitive edge against people much more experienced than you is too tantalizing. You really want it to be true
Note: I'm not taking any particular side of the "Juniors are F**d" vs "no they're not" argument.