I say this because I don’t think it is too big of a thing to be completed in spare time after a full time job. And I think a PhD should be a big thing.
Most PhD positions are really time flexible already. Certainly there are exceptions but academia in general is time flexible and PhDs are no different. But they do require a good amount of time because contributing to the sum total of all human knowledge is a big thing and takes time.
I say this because I don’t think it is too big of a thing to be completed in spare time after a full time job. And I think a PhD should be a big thing.
Most PhD positions are really time flexible already. Certainly there are exceptions but academia in general is time flexible and PhDs are no different. But they do require a good amount of time because contributing to the sum total of all human knowledge is a big thing and takes time.