I think I partly agree, reading anything is probably better than the alternatives if you want to do something to improve yourself. However, you could also try,

I think I partly agree, reading anything is probably better than the alternatives if you want to do something to improve yourself. However, you could also try, yourself, to make an educated guess or research what you might read to decide, for yourself, whether you consider it 'worthwhile' to spend your time on. You are setting up a false choice between 'read whatever you feel like without thinking about it at all' and 'only read what they tell you is worth reading', which aren't even choices among the same set of alternatives!