As to why - might be the case of "Doing what you're good at feels good". That does not necessarily implies desire to learn.
If there is a desire to learn however, as other pointed out, it's a matter of time and energy and the company should help with that.
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We're a place where coders share, stay up-to-date and grow their careers.
As to why - might be the case of "Doing what you're good at feels good". That does not necessarily implies desire to learn.
If there is a desire to learn however, as other pointed out, it's a matter of time and energy and the company should help with that.