Then the recommended daily allowance has failed to catch up with the latest science in the field. Understandable, since it's only updated every five years by a government committee, which regularly moves at speeds sure to make a snail proud.
Most research nowadays shows that up to 1g/lb bodyweight is fine for individuals with average activity, while athletes do fine up to 2g/lb bodyweight. I base my dietary/nutritional plans on science, not on committee recommendations. Sometimes even the best trained or most highly-credentialed experts suffer from confirmation bias and a strange refusal to let go of dated science.
1) eat real food - more vegetables, moderate meat, moderate fruits, less grains, less sugar, less vegetable oils.
2) exercise - moderate intensity cardio, sprinting, heavy lifting, dedicated stretching and mobility.
3) live - relax, de-stress, meditate.
Disclaimer: I'm not professionally qualified to make any formal recommendations. I've just done my homework and I'm my own guinea pig. All of my data, unless otherwise cited, comes from a sample size of n=1 (me).