Unless you are willing and able to move around for different jobs, you can't really look at it as somewhere for a long term career. The axe is always hanging above, making that type of outlook rare from what I've seen.
How active this site is shows how many people are expecting that conference call invite where they tell you your time is up. Hard to plan for a long career in that environment.
I think that @11qu4o5c-6ujp painted a good picture of the uncertainty and toxicity of the environment at T right now