User blog comment:TerrariaBEAST64590/The Only Good Smasher-Branch Tank: The Auto-Smasher/@comment-30123468-20191005165954

Unfortunately, the extra stat upgrades would be most likely left out.

People are more likely to upgrade into Smasher as they reach out level 30, and fill out the four main stats (Health Regen, Max Health, Body Damage and Movement Speed) as they level further. By the time they reach level 45, investing a single point of skill into a bullet stat is permanent waste for that playthrough.

Since its turret is usually weak/overall useless apart from very unnoticeable damage to anything excluding squares, Landmine and Spike still top over it. What would be much better is that if the Developer made it so upgrading Body Damage also upgrade the bullet stats, but there's zero chance for that to happen anyways.