Well, for one, people usually leave for systematic issues with academia that won't just magically be fixed over time.
Second, it's very difficult to get back in anyway, you will have a publication gap and with the extreme increase in publish and perish it's hard to imagine it being a good choice. Here in Germany, getting any permanent academic position is a pipe dream even for the extremely motivated. This ties back into the first point.
Second, it's very difficult to get back in anyway, you will have a publication gap and with the extreme increase in publish and perish it's hard to imagine it being a good choice. Here in Germany, getting any permanent academic position is a pipe dream even for the extremely motivated. This ties back into the first point.