Phrase/word for situation of too many theorists/teachers but too few skilled workers in the economy

Word/phrase expressing the situation where there is an abundance of teachers/theorists but not enough skilled workers?


Solution 1:

Too many chiefs and not enough Indians

From Idioms at The Free Dictionary.

This idiom indicates that the ratio of managers to workers is too high. By extension, it could mean that there are too many teachers / theorists compared to the students / front line.