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by tchalla 1630 days ago
I know what you and tasogare refer to and I've seen it happen. I had to fight to change my thesis topic 3 times and also change advisors. Of course, it is not simple.

I wouldn't change anything from my initial comment though. Flexibility is not binary - it's a gray scale. If you have ZERO flexibility, you should accept the implication that such a Ph.D will be stripped of some valuable lessons. On the other hand, you can always decide to not do it and move to a different professor. You could also decide if the broad area is ok with you before you take an admission to a lab.