In my opinion, even in the ancient past, only a small percentage of brahmins learnt vedas for recitation, preservation, preaching and for yagnas. many learnt only what was required for doing their ordained duties, mainly laukikam. Many brahmins were working as ministers, councillors, administrators, teachers of all arts, vaidyas, and other mundane professions. Today too, there are many veda patasalas teaching vedas the traditional way, supplementing it with modern subjects.