I believe you are correct. Where I work, basic webapp crud and ui-type stuff are handled by younger, inexperienced people because these are easy things. For the

I believe you are correct. Where I work, basic webapp crud and ui-type stuff are handled by younger, inexperienced people because these are easy things. For the more complicated problems, ones that tend to require deep knowledge of eg service provider networks, the teams are almost uniformly 35-50+.