people might criticise what you intend to do because they value the old racers for what they were - in many cases beautifuly crafted machines from historic eras of cycling - they dont like seeing clueless people take these bikes and transform them (sometimes at considerable cost to the frame in question) into trendy town run-arounds for people who have little appreciation of what they have bought and potentially ruined.
there might also be a certain assumption that you are merely following a currently fashionable trend and have no real interest in bikes or cycling.
people might criticise what you intend to do because they value the old racers for what they were - in many cases beautifuly crafted machines from historic eras of cycling - they dont like seeing clueless people take these bikes and transform them (sometimes at considerable cost to the frame in question) into trendy town run-arounds for people who have little appreciation of what they have bought and potentially ruined.
there might also be a certain assumption that you are merely following a currently fashionable trend and have no real interest in bikes or cycling.