The nice things about Bayou coated:
1. No lead residue in bore with the new polymer coating
2. To reach the same muzzle velocity, it uses less powder, so more cost saving (3.0 gr titegroup for 147gr Bayou to reach 880fps, while 147gr Xtreme plated needs 3.2 gr titegroup to reach 880fps)
3. These are probably the cheapest besides loading cast lead directly